86139320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{821}}^1$

素因数の和:936

約数の個数: 64

約数和(自身を含む): 201817440

約数和(自身を除く): 115678120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 61, 86, 122, 172, 215, 244, 305, 344, 430, 488, 610, 821, 860, 1220, 1642, 1720, 2440, 2623, 3284, 4105, 5246, 6568, 8210, 10492, 13115, 16420, 20984, 26230, 32840, 35303, 50081, 52460, 70606, 100162, 104920, 141212, 176515, 200324, 250405, 282424, 353030, 400648, 500810, 706060, 1001620, 1412120, 2003240, 2153483, 4306966, 8613932, 10767415, 17227864, 21534830, 43069660, 86139320]

約数ペア:

[(1, 86139320), (2, 43069660), (4, 21534830), (5, 17227864), (8, 10767415), (10, 8613932), (20, 4306966), (40, 2153483), (43, 2003240), (61, 1412120), (86, 1001620), (122, 706060), (172, 500810), (215, 400648), (244, 353030), (305, 282424), (344, 250405), (430, 200324), (488, 176515), (610, 141212), (821, 104920), (860, 100162), (1220, 70606), (1642, 52460), (1720, 50081), (2440, 35303), (2623, 32840), (3284, 26230), (4105, 20984), (5246, 16420), (6568, 13115), (8210, 10492)]