11855960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 27989280

約数和(自身を除く): 16133320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 61, 86, 113, 122, 172, 215, 226, 244, 305, 344, 430, 452, 488, 565, 610, 860, 904, 1130, 1220, 1720, 2260, 2440, 2623, 4520, 4859, 5246, 6893, 9718, 10492, 13115, 13786, 19436, 20984, 24295, 26230, 27572, 34465, 38872, 48590, 52460, 55144, 68930, 97180, 104920, 137860, 194360, 275720, 296399, 592798, 1185596, 1481995, 2371192, 2963990, 5927980, 11855960]

約数ペア:

[(1, 11855960), (2, 5927980), (4, 2963990), (5, 2371192), (8, 1481995), (10, 1185596), (20, 592798), (40, 296399), (43, 275720), (61, 194360), (86, 137860), (113, 104920), (122, 97180), (172, 68930), (215, 55144), (226, 52460), (244, 48590), (305, 38872), (344, 34465), (430, 27572), (452, 26230), (488, 24295), (565, 20984), (610, 19436), (860, 13786), (904, 13115), (1130, 10492), (1220, 9718), (1720, 6893), (2260, 5246), (2440, 4859), (2623, 4520)]