40802840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78467}}^1$

素因数の和:78491

約数の個数: 32

約数和(自身を含む): 98869680

約数和(自身を除く): 58066840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 78467, 156934, 313868, 392335, 627736, 784670, 1020071, 1569340, 2040142, 3138680, 4080284, 5100355, 8160568, 10200710, 20401420, 40802840]

約数ペア:

[(1, 40802840), (2, 20401420), (4, 10200710), (5, 8160568), (8, 5100355), (10, 4080284), (13, 3138680), (20, 2040142), (26, 1569340), (40, 1020071), (52, 784670), (65, 627736), (104, 392335), (130, 313868), (260, 156934), (520, 78467)]