3987687560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{100801}}^1$

素因数の和:100878

約数の個数: 64

約数和(自身を含む): 9580222080

約数和(自身を除く): 5592534520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 3956, 4945, 7912, 9890, 19780, 39560, 100801, 201602, 403204, 504005, 806408, 1008010, 2016020, 2318423, 4032040, 4334443, 4636846, 8668886, 9273692, 11592115, 17337772, 18547384, 21672215, 23184230, 34675544, 43344430, 46368460, 86688860, 92736920, 99692189, 173377720, 199384378, 398768756, 498460945, 797537512, 996921890, 1993843780, 3987687560]

約数ペア:

[(1, 3987687560), (2, 1993843780), (4, 996921890), (5, 797537512), (8, 498460945), (10, 398768756), (20, 199384378), (23, 173377720), (40, 99692189), (43, 92736920), (46, 86688860), (86, 46368460), (92, 43344430), (115, 34675544), (172, 23184230), (184, 21672215), (215, 18547384), (230, 17337772), (344, 11592115), (430, 9273692), (460, 8668886), (860, 4636846), (920, 4334443), (989, 4032040), (1720, 2318423), (1978, 2016020), (3956, 1008010), (4945, 806408), (7912, 504005), (9890, 403204), (19780, 201602), (39560, 100801)]