31862480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30637}}^1$

素因数の和:30663

約数の個数: 40

約数和(自身を含む): 79781352

約数和(自身を除く): 47918872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 30637, 61274, 122548, 153185, 245096, 306370, 398281, 490192, 612740, 796562, 1225480, 1593124, 1991405, 2450960, 3186248, 3982810, 6372496, 7965620, 15931240, 31862480]

約数ペア:

[(1, 31862480), (2, 15931240), (4, 7965620), (5, 6372496), (8, 3982810), (10, 3186248), (13, 2450960), (16, 1991405), (20, 1593124), (26, 1225480), (40, 796562), (52, 612740), (65, 490192), (80, 398281), (104, 306370), (130, 245096), (208, 153185), (260, 122548), (520, 61274), (1040, 30637)]