8127890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 15289344

約数和(自身を除く): 7161454

約数列:

[1, 2, 5, 10, 31, 62, 155, 157, 167, 310, 314, 334, 785, 835, 1570, 1670, 4867, 5177, 9734, 10354, 24335, 25885, 26219, 48670, 51770, 52438, 131095, 262190, 812789, 1625578, 4063945, 8127890]

約数ペア:

[(1, 8127890), (2, 4063945), (5, 1625578), (10, 812789), (31, 262190), (62, 131095), (155, 52438), (157, 51770), (167, 48670), (310, 26219), (314, 25885), (334, 24335), (785, 10354), (835, 9734), (1570, 5177), (1670, 4867)]