81299950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{947}}^1$

素因数の和:1077

約数の個数: 48

約数和(自身を含む): 161869104

約数和(自身を除く): 80569154

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 101, 170, 202, 425, 505, 850, 947, 1010, 1717, 1894, 2525, 3434, 4735, 5050, 8585, 9470, 16099, 17170, 23675, 32198, 42925, 47350, 80495, 85850, 95647, 160990, 191294, 402475, 478235, 804950, 956470, 1625999, 2391175, 3251998, 4782350, 8129995, 16259990, 40649975, 81299950]

約数ペア:

[(1, 81299950), (2, 40649975), (5, 16259990), (10, 8129995), (17, 4782350), (25, 3251998), (34, 2391175), (50, 1625999), (85, 956470), (101, 804950), (170, 478235), (202, 402475), (425, 191294), (505, 160990), (850, 95647), (947, 85850), (1010, 80495), (1717, 47350), (1894, 42925), (2525, 32198), (3434, 23675), (4735, 17170), (5050, 16099), (8585, 9470)]