81086200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{2399}}^1$

素因数の和:2441

約数の個数: 72

約数和(自身を含む): 204228000

約数和(自身を除く): 123141800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 169, 200, 260, 325, 338, 520, 650, 676, 845, 1300, 1352, 1690, 2399, 2600, 3380, 4225, 4798, 6760, 8450, 9596, 11995, 16900, 19192, 23990, 31187, 33800, 47980, 59975, 62374, 95960, 119950, 124748, 155935, 239900, 249496, 311870, 405431, 479800, 623740, 779675, 810862, 1247480, 1559350, 1621724, 2027155, 3118700, 3243448, 4054310, 6237400, 8108620, 10135775, 16217240, 20271550, 40543100, 81086200]

約数ペア:

[(1, 81086200), (2, 40543100), (4, 20271550), (5, 16217240), (8, 10135775), (10, 8108620), (13, 6237400), (20, 4054310), (25, 3243448), (26, 3118700), (40, 2027155), (50, 1621724), (52, 1559350), (65, 1247480), (100, 810862), (104, 779675), (130, 623740), (169, 479800), (200, 405431), (260, 311870), (325, 249496), (338, 239900), (520, 155935), (650, 124748), (676, 119950), (845, 95960), (1300, 62374), (1352, 59975), (1690, 47980), (2399, 33800), (2600, 31187), (3380, 23990), (4225, 19192), (4798, 16900), (6760, 11995), (8450, 9596)]