2156600

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 5155920

約数和(自身を除く): 2999320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 263, 328, 410, 526, 820, 1025, 1052, 1315, 1640, 2050, 2104, 2630, 4100, 5260, 6575, 8200, 10520, 10783, 13150, 21566, 26300, 43132, 52600, 53915, 86264, 107830, 215660, 269575, 431320, 539150, 1078300, 2156600]

約数ペア:

[(1, 2156600), (2, 1078300), (4, 539150), (5, 431320), (8, 269575), (10, 215660), (20, 107830), (25, 86264), (40, 53915), (41, 52600), (50, 43132), (82, 26300), (100, 21566), (164, 13150), (200, 10783), (205, 10520), (263, 8200), (328, 6575), (410, 5260), (526, 4100), (820, 2630), (1025, 2104), (1052, 2050), (1315, 1640)]