40789840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{431}}^1$

素因数の和:477

約数の個数: 120

約数和(自身を含む): 117635328

約数和(自身を除く): 76845488

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 169, 182, 208, 260, 280, 338, 364, 431, 455, 520, 560, 676, 728, 845, 862, 910, 1040, 1183, 1352, 1456, 1690, 1724, 1820, 2155, 2366, 2704, 3017, 3380, 3448, 3640, 4310, 4732, 5603, 5915, 6034, 6760, 6896, 7280, 8620, 9464, 11206, 11830, 12068, 13520, 15085, 17240, 18928, 22412, 23660, 24136, 28015, 30170, 34480, 39221, 44824, 47320, 48272, 56030, 60340, 72839, 78442, 89648, 94640, 112060, 120680, 145678, 156884, 196105, 224120, 241360, 291356, 313768, 364195, 392210, 448240, 509873, 582712, 627536, 728390, 784420, 1019746, 1165424, 1456780, 1568840, 2039492, 2549365, 2913560, 3137680, 4078984, 5098730, 5827120, 8157968, 10197460, 20394920, 40789840]

約数ペア:

[(1, 40789840), (2, 20394920), (4, 10197460), (5, 8157968), (7, 5827120), (8, 5098730), (10, 4078984), (13, 3137680), (14, 2913560), (16, 2549365), (20, 2039492), (26, 1568840), (28, 1456780), (35, 1165424), (40, 1019746), (52, 784420), (56, 728390), (65, 627536), (70, 582712), (80, 509873), (91, 448240), (104, 392210), (112, 364195), (130, 313768), (140, 291356), (169, 241360), (182, 224120), (208, 196105), (260, 156884), (280, 145678), (338, 120680), (364, 112060), (431, 94640), (455, 89648), (520, 78442), (560, 72839), (676, 60340), (728, 56030), (845, 48272), (862, 47320), (910, 44824), (1040, 39221), (1183, 34480), (1352, 30170), (1456, 28015), (1690, 24136), (1724, 23660), (1820, 22412), (2155, 18928), (2366, 17240), (2704, 15085), (3017, 13520), (3380, 12068), (3448, 11830), (3640, 11206), (4310, 9464), (4732, 8620), (5603, 7280), (5915, 6896), (6034, 6760)]