72442940

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{23071}}^1$

素因数の和:23237

約数の個数: 24

約数和(自身を含む): 153105792

約数和(自身を除く): 80662852

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 23071, 46142, 92284, 115355, 230710, 461420, 3622147, 7244294, 14488588, 18110735, 36221470, 72442940]

約数ペア:

[(1, 72442940), (2, 36221470), (4, 18110735), (5, 14488588), (10, 7244294), (20, 3622147), (157, 461420), (314, 230710), (628, 115355), (785, 92284), (1570, 46142), (3140, 23071)]