80314900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1031}}^1$

素因数の和:1105

約数の個数: 72

約数和(自身を含む): 188112960

約数和(自身を除く): 107798060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 41, 50, 76, 82, 95, 100, 164, 190, 205, 380, 410, 475, 779, 820, 950, 1025, 1031, 1558, 1900, 2050, 2062, 3116, 3895, 4100, 4124, 5155, 7790, 10310, 15580, 19475, 19589, 20620, 25775, 38950, 39178, 42271, 51550, 77900, 78356, 84542, 97945, 103100, 169084, 195890, 211355, 391780, 422710, 489725, 803149, 845420, 979450, 1056775, 1606298, 1958900, 2113550, 3212596, 4015745, 4227100, 8031490, 16062980, 20078725, 40157450, 80314900]

約数ペア:

[(1, 80314900), (2, 40157450), (4, 20078725), (5, 16062980), (10, 8031490), (19, 4227100), (20, 4015745), (25, 3212596), (38, 2113550), (41, 1958900), (50, 1606298), (76, 1056775), (82, 979450), (95, 845420), (100, 803149), (164, 489725), (190, 422710), (205, 391780), (380, 211355), (410, 195890), (475, 169084), (779, 103100), (820, 97945), (950, 84542), (1025, 78356), (1031, 77900), (1558, 51550), (1900, 42271), (2050, 39178), (2062, 38950), (3116, 25775), (3895, 20620), (4100, 19589), (4124, 19475), (5155, 15580), (7790, 10310)]