13313320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 32400000

約数和(自身を除く): 19086680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 92, 115, 116, 145, 184, 230, 232, 290, 460, 499, 580, 667, 920, 998, 1160, 1334, 1996, 2495, 2668, 3335, 3992, 4990, 5336, 6670, 9980, 11477, 13340, 14471, 19960, 22954, 26680, 28942, 45908, 57385, 57884, 72355, 91816, 114770, 115768, 144710, 229540, 289420, 332833, 459080, 578840, 665666, 1331332, 1664165, 2662664, 3328330, 6656660, 13313320]

約数ペア:

[(1, 13313320), (2, 6656660), (4, 3328330), (5, 2662664), (8, 1664165), (10, 1331332), (20, 665666), (23, 578840), (29, 459080), (40, 332833), (46, 289420), (58, 229540), (92, 144710), (115, 115768), (116, 114770), (145, 91816), (184, 72355), (230, 57884), (232, 57385), (290, 45908), (460, 28942), (499, 26680), (580, 22954), (667, 19960), (920, 14471), (998, 13340), (1160, 11477), (1334, 9980), (1996, 6670), (2495, 5336), (2668, 4990), (3335, 3992)]