20169910040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1\times {\mathrm{2677}}^1$

素因数の和:3145

約数の個数: 128

約数和(自身を含む): 52754457600

約数和(自身を除く): 32584547560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 379, 497, 568, 710, 758, 994, 1420, 1516, 1895, 1988, 2485, 2653, 2677, 2840, 3032, 3790, 3976, 4970, 5306, 5354, 7580, 9940, 10612, 10708, 13265, 13385, 15160, 18739, 19880, 21224, 21416, 26530, 26770, 26909, 37478, 53060, 53540, 53818, 74956, 93695, 106120, 107080, 107636, 134545, 149912, 187390, 188363, 190067, 215272, 269090, 374780, 376726, 380134, 538180, 749560, 753452, 760268, 941815, 950335, 1014583, 1076360, 1330469, 1506904, 1520536, 1883630, 1900670, 2029166, 2660938, 3767260, 3801340, 4058332, 5072915, 5321876, 6652345, 7102081, 7534520, 7602680, 8116664, 10145830, 10643752, 13304690, 14204162, 20291660, 26609380, 28408324, 35510405, 40583320, 53218760, 56816648, 71020810, 72035393, 142041620, 144070786, 284083240, 288141572, 360176965, 504247751, 576283144, 720353930, 1008495502, 1440707860, 2016991004, 2521238755, 2881415720, 4033982008, 5042477510, 10084955020, 20169910040]

約数ペア:

[(1, 20169910040), (2, 10084955020), (4, 5042477510), (5, 4033982008), (7, 2881415720), (8, 2521238755), (10, 2016991004), (14, 1440707860), (20, 1008495502), (28, 720353930), (35, 576283144), (40, 504247751), (56, 360176965), (70, 288141572), (71, 284083240), (140, 144070786), (142, 142041620), (280, 72035393), (284, 71020810), (355, 56816648), (379, 53218760), (497, 40583320), (568, 35510405), (710, 28408324), (758, 26609380), (994, 20291660), (1420, 14204162), (1516, 13304690), (1895, 10643752), (1988, 10145830), (2485, 8116664), (2653, 7602680), (2677, 7534520), (2840, 7102081), (3032, 6652345), (3790, 5321876), (3976, 5072915), (4970, 4058332), (5306, 3801340), (5354, 3767260), (7580, 2660938), (9940, 2029166), (10612, 1900670), (10708, 1883630), (13265, 1520536), (13385, 1506904), (15160, 1330469), (18739, 1076360), (19880, 1014583), (21224, 950335), (21416, 941815), (26530, 760268), (26770, 753452), (26909, 749560), (37478, 538180), (53060, 380134), (53540, 376726), (53818, 374780), (74956, 269090), (93695, 215272), (106120, 190067), (107080, 188363), (107636, 187390), (134545, 149912)]