87121010

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:479

約数の個数: 48

約数和(自身を含む): 168182784

約数和(自身を除く): 81061774

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 383, 430, 529, 766, 989, 1058, 1915, 1978, 2645, 3830, 4945, 5290, 8809, 9890, 16469, 17618, 22747, 32938, 44045, 45494, 82345, 88090, 113735, 164690, 202607, 227470, 378787, 405214, 757574, 1013035, 1893935, 2026070, 3787870, 8712101, 17424202, 43560505, 87121010]

約数ペア:

[(1, 87121010), (2, 43560505), (5, 17424202), (10, 8712101), (23, 3787870), (43, 2026070), (46, 1893935), (86, 1013035), (115, 757574), (215, 405214), (230, 378787), (383, 227470), (430, 202607), (529, 164690), (766, 113735), (989, 88090), (1058, 82345), (1915, 45494), (1978, 44045), (2645, 32938), (3830, 22747), (4945, 17618), (5290, 16469), (8809, 9890)]