85443020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1487}}^1$

素因数の和:1539

約数の個数: 72

約数和(自身を含む): 205861824

約数和(自身を除く): 120418804

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 338, 340, 442, 676, 845, 884, 1105, 1487, 1690, 2210, 2873, 2974, 3380, 4420, 5746, 5948, 7435, 11492, 14365, 14870, 19331, 25279, 28730, 29740, 38662, 50558, 57460, 77324, 96655, 101116, 126395, 193310, 251303, 252790, 328627, 386620, 502606, 505580, 657254, 1005212, 1256515, 1314508, 1643135, 2513030, 3286270, 4272151, 5026060, 6572540, 8544302, 17088604, 21360755, 42721510, 85443020]

約数ペア:

[(1, 85443020), (2, 42721510), (4, 21360755), (5, 17088604), (10, 8544302), (13, 6572540), (17, 5026060), (20, 4272151), (26, 3286270), (34, 2513030), (52, 1643135), (65, 1314508), (68, 1256515), (85, 1005212), (130, 657254), (169, 505580), (170, 502606), (221, 386620), (260, 328627), (338, 252790), (340, 251303), (442, 193310), (676, 126395), (845, 101116), (884, 96655), (1105, 77324), (1487, 57460), (1690, 50558), (2210, 38662), (2873, 29740), (2974, 28730), (3380, 25279), (4420, 19331), (5746, 14870), (5948, 14365), (7435, 11492)]