26678680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{631}}^1$

素因数の和:800

約数の個数: 64

約数和(自身を含む): 69166080

約数和(自身を除く): 42487400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 604, 631, 755, 1057, 1208, 1262, 1510, 2114, 2524, 3020, 3155, 4228, 4417, 5048, 5285, 6040, 6310, 8456, 8834, 10570, 12620, 17668, 21140, 22085, 25240, 35336, 42280, 44170, 88340, 95281, 176680, 190562, 381124, 476405, 666967, 762248, 952810, 1333934, 1905620, 2667868, 3334835, 3811240, 5335736, 6669670, 13339340, 26678680]

約数ペア:

[(1, 26678680), (2, 13339340), (4, 6669670), (5, 5335736), (7, 3811240), (8, 3334835), (10, 2667868), (14, 1905620), (20, 1333934), (28, 952810), (35, 762248), (40, 666967), (56, 476405), (70, 381124), (140, 190562), (151, 176680), (280, 95281), (302, 88340), (604, 44170), (631, 42280), (755, 35336), (1057, 25240), (1208, 22085), (1262, 21140), (1510, 17668), (2114, 12620), (2524, 10570), (3020, 8834), (3155, 8456), (4228, 6310), (4417, 6040), (5048, 5285)]