88890880

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2671}}^1$

素因数の和:2707

約数の個数: 80

約数和(自身を含む): 229610304

約数和(自身を除く): 140719424

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 2671, 3328, 4160, 5342, 6656, 8320, 10684, 13355, 16640, 21368, 26710, 33280, 34723, 42736, 53420, 69446, 85472, 106840, 138892, 170944, 173615, 213680, 277784, 341888, 347230, 427360, 555568, 683776, 694460, 854720, 1111136, 1367552, 1388920, 1709440, 2222272, 2777840, 3418880, 4444544, 5555680, 6837760, 8889088, 11111360, 17778176, 22222720, 44445440, 88890880]

約数ペア:

[(1, 88890880), (2, 44445440), (4, 22222720), (5, 17778176), (8, 11111360), (10, 8889088), (13, 6837760), (16, 5555680), (20, 4444544), (26, 3418880), (32, 2777840), (40, 2222272), (52, 1709440), (64, 1388920), (65, 1367552), (80, 1111136), (104, 854720), (128, 694460), (130, 683776), (160, 555568), (208, 427360), (256, 347230), (260, 341888), (320, 277784), (416, 213680), (512, 173615), (520, 170944), (640, 138892), (832, 106840), (1040, 85472), (1280, 69446), (1664, 53420), (2080, 42736), (2560, 34723), (2671, 33280), (3328, 26710), (4160, 21368), (5342, 16640), (6656, 13355), (8320, 10684)]