1478889680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{450881}}^1$

素因数の和:450935

約数の個数: 40

約数和(自身を含む): 3522290184

約数和(自身を除く): 2043400504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 450881, 901762, 1803524, 2254405, 3607048, 4508810, 7214096, 9017620, 18035240, 18486121, 36070480, 36972242, 73944484, 92430605, 147888968, 184861210, 295777936, 369722420, 739444840, 1478889680]

約数ペア:

[(1, 1478889680), (2, 739444840), (4, 369722420), (5, 295777936), (8, 184861210), (10, 147888968), (16, 92430605), (20, 73944484), (40, 36972242), (41, 36070480), (80, 18486121), (82, 18035240), (164, 9017620), (205, 7214096), (328, 4508810), (410, 3607048), (656, 2254405), (820, 1803524), (1640, 901762), (3280, 450881)]