23440280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{34471}}^1$

素因数の和:34499

約数の個数: 32

約数和(自身を含む): 55844640

約数和(自身を除く): 32404360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 34471, 68942, 137884, 172355, 275768, 344710, 586007, 689420, 1172014, 1378840, 2344028, 2930035, 4688056, 5860070, 11720140, 23440280]

約数ペア:

[(1, 23440280), (2, 11720140), (4, 5860070), (5, 4688056), (8, 2930035), (10, 2344028), (17, 1378840), (20, 1172014), (34, 689420), (40, 586007), (68, 344710), (85, 275768), (136, 172355), (170, 137884), (340, 68942), (680, 34471)]