40788410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1487}}^1$

素因数の和:1718

約数の個数: 32

約数和(自身を含む): 79494912

約数和(自身を除く): 38706502

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 211, 422, 1055, 1487, 2110, 2743, 2974, 5486, 7435, 13715, 14870, 19331, 27430, 38662, 96655, 193310, 313757, 627514, 1568785, 3137570, 4078841, 8157682, 20394205, 40788410]

約数ペア:

[(1, 40788410), (2, 20394205), (5, 8157682), (10, 4078841), (13, 3137570), (26, 1568785), (65, 627514), (130, 313757), (211, 193310), (422, 96655), (1055, 38662), (1487, 27430), (2110, 19331), (2743, 14870), (2974, 13715), (5486, 7435)]