16655840

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2539}}^1$

素因数の和:2595

約数の個数: 48

約数和(自身を含む): 40325040

約数和(自身を除く): 23669200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 2539, 3280, 5078, 6560, 10156, 12695, 20312, 25390, 40624, 50780, 81248, 101560, 104099, 203120, 208198, 406240, 416396, 520495, 832792, 1040990, 1665584, 2081980, 3331168, 4163960, 8327920, 16655840]

約数ペア:

[(1, 16655840), (2, 8327920), (4, 4163960), (5, 3331168), (8, 2081980), (10, 1665584), (16, 1040990), (20, 832792), (32, 520495), (40, 416396), (41, 406240), (80, 208198), (82, 203120), (160, 104099), (164, 101560), (205, 81248), (328, 50780), (410, 40624), (656, 25390), (820, 20312), (1312, 12695), (1640, 10156), (2539, 6560), (3280, 5078)]