3957200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{761}}^1$

素因数の和:792

約数の個数: 60

約数和(自身を含む): 10251948

約数和(自身を除く): 6294748

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 761, 1040, 1300, 1522, 2600, 3044, 3805, 5200, 6088, 7610, 9893, 12176, 15220, 19025, 19786, 30440, 38050, 39572, 49465, 60880, 76100, 79144, 98930, 152200, 158288, 197860, 247325, 304400, 395720, 494650, 791440, 989300, 1978600, 3957200]

約数ペア:

[(1, 3957200), (2, 1978600), (4, 989300), (5, 791440), (8, 494650), (10, 395720), (13, 304400), (16, 247325), (20, 197860), (25, 158288), (26, 152200), (40, 98930), (50, 79144), (52, 76100), (65, 60880), (80, 49465), (100, 39572), (104, 38050), (130, 30440), (200, 19786), (208, 19025), (260, 15220), (325, 12176), (400, 9893), (520, 7610), (650, 6088), (761, 5200), (1040, 3805), (1300, 3044), (1522, 2600)]