39939960

素因数分解:

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

素因数の和:565

約数の個数: 128

約数和(自身を含む): 129600000

約数和(自身を除く): 89660040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 40, 46, 58, 60, 69, 87, 92, 115, 116, 120, 138, 145, 174, 184, 230, 232, 276, 290, 345, 348, 435, 460, 499, 552, 580, 667, 690, 696, 870, 920, 998, 1160, 1334, 1380, 1497, 1740, 1996, 2001, 2495, 2668, 2760, 2994, 3335, 3480, 3992, 4002, 4990, 5336, 5988, 6670, 7485, 8004, 9980, 10005, 11477, 11976, 13340, 14471, 14970, 16008, 19960, 20010, 22954, 26680, 28942, 29940, 34431, 40020, 43413, 45908, 57385, 57884, 59880, 68862, 72355, 80040, 86826, 91816, 114770, 115768, 137724, 144710, 172155, 173652, 217065, 229540, 275448, 289420, 332833, 344310, 347304, 434130, 459080, 578840, 665666, 688620, 868260, 998499, 1331332, 1377240, 1664165, 1736520, 1996998, 2662664, 3328330, 3993996, 4992495, 6656660, 7987992, 9984990, 13313320, 19969980, 39939960]

約数ペア:

[(1, 39939960), (2, 19969980), (3, 13313320), (4, 9984990), (5, 7987992), (6, 6656660), (8, 4992495), (10, 3993996), (12, 3328330), (15, 2662664), (20, 1996998), (23, 1736520), (24, 1664165), (29, 1377240), (30, 1331332), (40, 998499), (46, 868260), (58, 688620), (60, 665666), (69, 578840), (87, 459080), (92, 434130), (115, 347304), (116, 344310), (120, 332833), (138, 289420), (145, 275448), (174, 229540), (184, 217065), (230, 173652), (232, 172155), (276, 144710), (290, 137724), (345, 115768), (348, 114770), (435, 91816), (460, 86826), (499, 80040), (552, 72355), (580, 68862), (667, 59880), (690, 57884), (696, 57385), (870, 45908), (920, 43413), (998, 40020), (1160, 34431), (1334, 29940), (1380, 28942), (1497, 26680), (1740, 22954), (1996, 20010), (2001, 19960), (2495, 16008), (2668, 14970), (2760, 14471), (2994, 13340), (3335, 11976), (3480, 11477), (3992, 10005), (4002, 9980), (4990, 8004), (5336, 7485), (5988, 6670)]