51963871160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{642799}}^1$

素因数の和:642900

約数の個数: 64

約数和(自身を含む): 122183424000

約数和(自身を除く): 70219552840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 860, 940, 1720, 1880, 2021, 4042, 8084, 10105, 16168, 20210, 40420, 80840, 642799, 1285598, 2571196, 3213995, 5142392, 6427990, 12855980, 25711960, 27640357, 30211553, 55280714, 60423106, 110561428, 120846212, 138201785, 151057765, 221122856, 241692424, 276403570, 302115530, 552807140, 604231060, 1105614280, 1208462120, 1299096779, 2598193558, 5196387116, 6495483895, 10392774232, 12990967790, 25981935580, 51963871160]

約数ペア:

[(1, 51963871160), (2, 25981935580), (4, 12990967790), (5, 10392774232), (8, 6495483895), (10, 5196387116), (20, 2598193558), (40, 1299096779), (43, 1208462120), (47, 1105614280), (86, 604231060), (94, 552807140), (172, 302115530), (188, 276403570), (215, 241692424), (235, 221122856), (344, 151057765), (376, 138201785), (430, 120846212), (470, 110561428), (860, 60423106), (940, 55280714), (1720, 30211553), (1880, 27640357), (2021, 25711960), (4042, 12855980), (8084, 6427990), (10105, 5142392), (16168, 3213995), (20210, 2571196), (40420, 1285598), (80840, 642799)]