8488640

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:705

約数の個数: 56

約数和(自身を含む): 20738592

約数和(自身を除く): 12249952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 647, 656, 820, 1294, 1312, 1640, 2588, 2624, 3235, 3280, 5176, 6470, 6560, 10352, 12940, 13120, 20704, 25880, 26527, 41408, 51760, 53054, 103520, 106108, 132635, 207040, 212216, 265270, 424432, 530540, 848864, 1061080, 1697728, 2122160, 4244320, 8488640]

約数ペア:

[(1, 8488640), (2, 4244320), (4, 2122160), (5, 1697728), (8, 1061080), (10, 848864), (16, 530540), (20, 424432), (32, 265270), (40, 212216), (41, 207040), (64, 132635), (80, 106108), (82, 103520), (160, 53054), (164, 51760), (205, 41408), (320, 26527), (328, 25880), (410, 20704), (647, 13120), (656, 12940), (820, 10352), (1294, 6560), (1312, 6470), (1640, 5176), (2588, 3280), (2624, 3235)]