86631320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127399}}^1$

素因数の和:127427

約数の個数: 32

約数和(自身を含む): 206388000

約数和(自身を除く): 119756680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 127399, 254798, 509596, 636995, 1019192, 1273990, 2165783, 2547980, 4331566, 5095960, 8663132, 10828915, 17326264, 21657830, 43315660, 86631320]

約数ペア:

[(1, 86631320), (2, 43315660), (4, 21657830), (5, 17326264), (8, 10828915), (10, 8663132), (17, 5095960), (20, 4331566), (34, 2547980), (40, 2165783), (68, 1273990), (85, 1019192), (136, 636995), (170, 509596), (340, 254798), (680, 127399)]