28858960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27749}}^1$

素因数の和:27775

約数の個数: 40

約数和(自身を含む): 72261000

約数和(自身を除く): 43402040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 27749, 55498, 110996, 138745, 221992, 277490, 360737, 443984, 554980, 721474, 1109960, 1442948, 1803685, 2219920, 2885896, 3607370, 5771792, 7214740, 14429480, 28858960]

約数ペア:

[(1, 28858960), (2, 14429480), (4, 7214740), (5, 5771792), (8, 3607370), (10, 2885896), (13, 2219920), (16, 1803685), (20, 1442948), (26, 1109960), (40, 721474), (52, 554980), (65, 443984), (80, 360737), (104, 277490), (130, 221992), (208, 138745), (260, 110996), (520, 55498), (1040, 27749)]