4163960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2539}}^1$

素因数の和:2591

約数の個数: 32

約数和(自身を含む): 9601200

約数和(自身を除く): 5437240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 2539, 5078, 10156, 12695, 20312, 25390, 50780, 101560, 104099, 208198, 416396, 520495, 832792, 1040990, 2081980, 4163960]

約数ペア:

[(1, 4163960), (2, 2081980), (4, 1040990), (5, 832792), (8, 520495), (10, 416396), (20, 208198), (40, 104099), (41, 101560), (82, 50780), (164, 25390), (205, 20312), (328, 12695), (410, 10156), (820, 5078), (1640, 2539)]