38965420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149867}}^1$

素因数の和:149889

約数の個数: 24

約数和(自身を含む): 88122384

約数和(自身を除く): 49156964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 149867, 299734, 599468, 749335, 1498670, 1948271, 2997340, 3896542, 7793084, 9741355, 19482710, 38965420]

約数ペア:

[(1, 38965420), (2, 19482710), (4, 9741355), (5, 7793084), (10, 3896542), (13, 2997340), (20, 1948271), (26, 1498670), (52, 749335), (65, 599468), (130, 299734), (260, 149867)]