16255780

素因数分解:

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

素因数の和:364

約数の個数: 48

約数和(自身を含む): 35675136

約数和(自身を除く): 19419356

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 157, 167, 310, 314, 334, 620, 628, 668, 785, 835, 1570, 1670, 3140, 3340, 4867, 5177, 9734, 10354, 19468, 20708, 24335, 25885, 26219, 48670, 51770, 52438, 97340, 103540, 104876, 131095, 262190, 524380, 812789, 1625578, 3251156, 4063945, 8127890, 16255780]

約数ペア:

[(1, 16255780), (2, 8127890), (4, 4063945), (5, 3251156), (10, 1625578), (20, 812789), (31, 524380), (62, 262190), (124, 131095), (155, 104876), (157, 103540), (167, 97340), (310, 52438), (314, 51770), (334, 48670), (620, 26219), (628, 25885), (668, 24335), (785, 20708), (835, 19468), (1570, 10354), (1670, 9734), (3140, 5177), (3340, 4867)]