42255320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 99900000

約数和(自身を除く): 57644680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 73, 116, 145, 146, 232, 290, 292, 365, 499, 580, 584, 730, 998, 1160, 1460, 1996, 2117, 2495, 2920, 3992, 4234, 4990, 8468, 9980, 10585, 14471, 16936, 19960, 21170, 28942, 36427, 42340, 57884, 72355, 72854, 84680, 115768, 144710, 145708, 182135, 289420, 291416, 364270, 578840, 728540, 1056383, 1457080, 2112766, 4225532, 5281915, 8451064, 10563830, 21127660, 42255320]

約数ペア:

[(1, 42255320), (2, 21127660), (4, 10563830), (5, 8451064), (8, 5281915), (10, 4225532), (20, 2112766), (29, 1457080), (40, 1056383), (58, 728540), (73, 578840), (116, 364270), (145, 291416), (146, 289420), (232, 182135), (290, 145708), (292, 144710), (365, 115768), (499, 84680), (580, 72854), (584, 72355), (730, 57884), (998, 42340), (1160, 36427), (1460, 28942), (1996, 21170), (2117, 19960), (2495, 16936), (2920, 14471), (3992, 10585), (4234, 9980), (4990, 8468)]