86878840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127763}}^1$

素因数の和:127791

約数の個数: 32

約数和(自身を含む): 206977680

約数和(自身を除く): 120098840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 127763, 255526, 511052, 638815, 1022104, 1277630, 2171971, 2555260, 4343942, 5110520, 8687884, 10859855, 17375768, 21719710, 43439420, 86878840]

約数ペア:

[(1, 86878840), (2, 43439420), (4, 21719710), (5, 17375768), (8, 10859855), (10, 8687884), (17, 5110520), (20, 4343942), (34, 2555260), (40, 2171971), (68, 1277630), (85, 1022104), (136, 638815), (170, 511052), (340, 255526), (680, 127763)]