16172980

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1801}}^1$

素因数の和:2259

約数の個数: 24

約数和(自身を含む): 34057800

約数和(自身を除く): 17884820

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 1801, 2245, 3602, 4490, 7204, 8980, 9005, 18010, 36020, 808649, 1617298, 3234596, 4043245, 8086490, 16172980]

約数ペア:

[(1, 16172980), (2, 8086490), (4, 4043245), (5, 3234596), (10, 1617298), (20, 808649), (449, 36020), (898, 18010), (1796, 9005), (1801, 8980), (2245, 7204), (3602, 4490)]