80738440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3209}}^1$

素因数の和:3274

約数の個数: 64

約数和(自身を含む): 197607600

約数和(自身を除く): 116869160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 340, 370, 629, 680, 740, 1258, 1480, 2516, 3145, 3209, 5032, 6290, 6418, 12580, 12836, 16045, 25160, 25672, 32090, 54553, 64180, 109106, 118733, 128360, 218212, 237466, 272765, 436424, 474932, 545530, 593665, 949864, 1091060, 1187330, 2018461, 2182120, 2374660, 4036922, 4749320, 8073844, 10092305, 16147688, 20184610, 40369220, 80738440]

約数ペア:

[(1, 80738440), (2, 40369220), (4, 20184610), (5, 16147688), (8, 10092305), (10, 8073844), (17, 4749320), (20, 4036922), (34, 2374660), (37, 2182120), (40, 2018461), (68, 1187330), (74, 1091060), (85, 949864), (136, 593665), (148, 545530), (170, 474932), (185, 436424), (296, 272765), (340, 237466), (370, 218212), (629, 128360), (680, 118733), (740, 109106), (1258, 64180), (1480, 54553), (2516, 32090), (3145, 25672), (3209, 25160), (5032, 16045), (6290, 12836), (6418, 12580)]