31024240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1297}}^1$

素因数の和:1346

約数の個数: 80

約数和(自身を含む): 81119808

約数和(自身を除く): 50095568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1297, 1495, 1840, 2392, 2594, 2990, 4784, 5188, 5980, 6485, 10376, 11960, 12970, 16861, 20752, 23920, 25940, 29831, 33722, 51880, 59662, 67444, 84305, 103760, 119324, 134888, 149155, 168610, 238648, 269776, 298310, 337220, 387803, 477296, 596620, 674440, 775606, 1193240, 1348880, 1551212, 1939015, 2386480, 3102424, 3878030, 6204848, 7756060, 15512120, 31024240]

約数ペア:

[(1, 31024240), (2, 15512120), (4, 7756060), (5, 6204848), (8, 3878030), (10, 3102424), (13, 2386480), (16, 1939015), (20, 1551212), (23, 1348880), (26, 1193240), (40, 775606), (46, 674440), (52, 596620), (65, 477296), (80, 387803), (92, 337220), (104, 298310), (115, 269776), (130, 238648), (184, 168610), (208, 149155), (230, 134888), (260, 119324), (299, 103760), (368, 84305), (460, 67444), (520, 59662), (598, 51880), (920, 33722), (1040, 29831), (1196, 25940), (1297, 23920), (1495, 20752), (1840, 16861), (2392, 12970), (2594, 11960), (2990, 10376), (4784, 6485), (5188, 5980)]