1339941440

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{32971}}^1$

素因数の和:33115

約数の個数: 56

約数和(自身を含む): 3215956992

約数和(自身を除く): 1876015552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 8128, 10160, 20320, 32971, 40640, 65942, 131884, 164855, 263768, 329710, 527536, 659420, 1055072, 1318840, 2110144, 2637680, 4187317, 5275360, 8374634, 10550720, 16749268, 20936585, 33498536, 41873170, 66997072, 83746340, 133994144, 167492680, 267988288, 334985360, 669970720, 1339941440]

約数ペア:

[(1, 1339941440), (2, 669970720), (4, 334985360), (5, 267988288), (8, 167492680), (10, 133994144), (16, 83746340), (20, 66997072), (32, 41873170), (40, 33498536), (64, 20936585), (80, 16749268), (127, 10550720), (160, 8374634), (254, 5275360), (320, 4187317), (508, 2637680), (635, 2110144), (1016, 1318840), (1270, 1055072), (2032, 659420), (2540, 527536), (4064, 329710), (5080, 263768), (8128, 164855), (10160, 131884), (20320, 65942), (32971, 40640)]