12329320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 29283840

約数和(自身を除く): 16954520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 163, 244, 248, 305, 310, 326, 488, 610, 620, 652, 815, 1220, 1240, 1304, 1630, 1891, 2440, 3260, 3782, 5053, 6520, 7564, 9455, 9943, 10106, 15128, 18910, 19886, 20212, 25265, 37820, 39772, 40424, 49715, 50530, 75640, 79544, 99430, 101060, 198860, 202120, 308233, 397720, 616466, 1232932, 1541165, 2465864, 3082330, 6164660, 12329320]

約数ペア:

[(1, 12329320), (2, 6164660), (4, 3082330), (5, 2465864), (8, 1541165), (10, 1232932), (20, 616466), (31, 397720), (40, 308233), (61, 202120), (62, 198860), (122, 101060), (124, 99430), (155, 79544), (163, 75640), (244, 50530), (248, 49715), (305, 40424), (310, 39772), (326, 37820), (488, 25265), (610, 20212), (620, 19886), (652, 18910), (815, 15128), (1220, 10106), (1240, 9943), (1304, 9455), (1630, 7564), (1891, 6520), (2440, 5053), (3260, 3782)]