80484820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 194971392

約数和(自身を除く): 114486572

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 43, 46, 52, 65, 86, 92, 115, 130, 172, 215, 230, 260, 299, 313, 430, 460, 559, 598, 626, 860, 989, 1118, 1196, 1252, 1495, 1565, 1978, 2236, 2795, 2990, 3130, 3956, 4069, 4945, 5590, 5980, 6260, 7199, 8138, 9890, 11180, 12857, 13459, 14398, 16276, 19780, 20345, 25714, 26918, 28796, 35995, 40690, 51428, 53836, 64285, 67295, 71990, 81380, 93587, 128570, 134590, 143980, 174967, 187174, 257140, 269180, 309557, 349934, 374348, 467935, 619114, 699868, 874835, 935870, 1238228, 1547785, 1749670, 1871740, 3095570, 3499340, 4024241, 6191140, 8048482, 16096964, 20121205, 40242410, 80484820]

約数ペア:

[(1, 80484820), (2, 40242410), (4, 20121205), (5, 16096964), (10, 8048482), (13, 6191140), (20, 4024241), (23, 3499340), (26, 3095570), (43, 1871740), (46, 1749670), (52, 1547785), (65, 1238228), (86, 935870), (92, 874835), (115, 699868), (130, 619114), (172, 467935), (215, 374348), (230, 349934), (260, 309557), (299, 269180), (313, 257140), (430, 187174), (460, 174967), (559, 143980), (598, 134590), (626, 128570), (860, 93587), (989, 81380), (1118, 71990), (1196, 67295), (1252, 64285), (1495, 53836), (1565, 51428), (1978, 40690), (2236, 35995), (2795, 28796), (2990, 26918), (3130, 25714), (3956, 20345), (4069, 19780), (4945, 16276), (5590, 14398), (5980, 13459), (6260, 12857), (7199, 11180), (8138, 9890)]