64239040

素因数分解:

$2^6\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1949}}^1$

素因数の和:2069

約数の個数: 56

約数和(自身を含む): 154533600

約数和(自身を除く): 90294560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 160, 206, 320, 412, 515, 824, 1030, 1648, 1949, 2060, 3296, 3898, 4120, 6592, 7796, 8240, 9745, 15592, 16480, 19490, 31184, 32960, 38980, 62368, 77960, 124736, 155920, 200747, 311840, 401494, 623680, 802988, 1003735, 1605976, 2007470, 3211952, 4014940, 6423904, 8029880, 12847808, 16059760, 32119520, 64239040]

約数ペア:

[(1, 64239040), (2, 32119520), (4, 16059760), (5, 12847808), (8, 8029880), (10, 6423904), (16, 4014940), (20, 3211952), (32, 2007470), (40, 1605976), (64, 1003735), (80, 802988), (103, 623680), (160, 401494), (206, 311840), (320, 200747), (412, 155920), (515, 124736), (824, 77960), (1030, 62368), (1648, 38980), (1949, 32960), (2060, 31184), (3296, 19490), (3898, 16480), (4120, 15592), (6592, 9745), (7796, 8240)]