38759960

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 90979200

約数和(自身を除く): 52219240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 53, 94, 106, 188, 212, 235, 265, 376, 389, 424, 470, 530, 778, 940, 1060, 1556, 1880, 1945, 2120, 2491, 3112, 3890, 4982, 7780, 9964, 12455, 15560, 18283, 19928, 20617, 24910, 36566, 41234, 49820, 73132, 82468, 91415, 99640, 103085, 146264, 164936, 182830, 206170, 365660, 412340, 731320, 824680, 968999, 1937998, 3875996, 4844995, 7751992, 9689990, 19379980, 38759960]

約数ペア:

[(1, 38759960), (2, 19379980), (4, 9689990), (5, 7751992), (8, 4844995), (10, 3875996), (20, 1937998), (40, 968999), (47, 824680), (53, 731320), (94, 412340), (106, 365660), (188, 206170), (212, 182830), (235, 164936), (265, 146264), (376, 103085), (389, 99640), (424, 91415), (470, 82468), (530, 73132), (778, 49820), (940, 41234), (1060, 36566), (1556, 24910), (1880, 20617), (1945, 19928), (2120, 18283), (2491, 15560), (3112, 12455), (3890, 9964), (4982, 7780)]