31961360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:432

約数の個数: 80

約数和(自身を含む): 80030592

約数和(自身を除く): 48069232

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 71, 80, 85, 136, 142, 170, 272, 284, 331, 340, 355, 568, 662, 680, 710, 1136, 1207, 1324, 1360, 1420, 1655, 2414, 2648, 2840, 3310, 4828, 5296, 5627, 5680, 6035, 6620, 9656, 11254, 12070, 13240, 19312, 22508, 23501, 24140, 26480, 28135, 45016, 47002, 48280, 56270, 90032, 94004, 96560, 112540, 117505, 188008, 225080, 235010, 376016, 399517, 450160, 470020, 799034, 940040, 1598068, 1880080, 1997585, 3196136, 3995170, 6392272, 7990340, 15980680, 31961360]

約数ペア:

[(1, 31961360), (2, 15980680), (4, 7990340), (5, 6392272), (8, 3995170), (10, 3196136), (16, 1997585), (17, 1880080), (20, 1598068), (34, 940040), (40, 799034), (68, 470020), (71, 450160), (80, 399517), (85, 376016), (136, 235010), (142, 225080), (170, 188008), (272, 117505), (284, 112540), (331, 96560), (340, 94004), (355, 90032), (568, 56270), (662, 48280), (680, 47002), (710, 45016), (1136, 28135), (1207, 26480), (1324, 24140), (1360, 23501), (1420, 22508), (1655, 19312), (2414, 13240), (2648, 12070), (2840, 11254), (3310, 9656), (4828, 6620), (5296, 6035), (5627, 5680)]