66355780

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{19867}}^1$

素因数の和:20043

約数の個数: 24

約数和(自身を含む): 140188608

約数和(自身を除く): 73832828

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 19867, 39734, 79468, 99335, 198670, 397340, 3317789, 6635578, 13271156, 16588945, 33177890, 66355780]

約数ペア:

[(1, 66355780), (2, 33177890), (4, 16588945), (5, 13271156), (10, 6635578), (20, 3317789), (167, 397340), (334, 198670), (668, 99335), (835, 79468), (1670, 39734), (3340, 19867)]