74654840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143567}}^1$

素因数の和:143591

約数の個数: 32

約数和(自身を含む): 180895680

約数和(自身を除く): 106240840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 143567, 287134, 574268, 717835, 1148536, 1435670, 1866371, 2871340, 3732742, 5742680, 7465484, 9331855, 14930968, 18663710, 37327420, 74654840]

約数ペア:

[(1, 74654840), (2, 37327420), (4, 18663710), (5, 14930968), (8, 9331855), (10, 7465484), (13, 5742680), (20, 3732742), (26, 2871340), (40, 1866371), (52, 1435670), (65, 1148536), (104, 717835), (130, 574268), (260, 287134), (520, 143567)]