55214680

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 127785600

約数和(自身を除く): 72570920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 101, 158, 173, 202, 316, 346, 395, 404, 505, 632, 692, 790, 808, 865, 1010, 1384, 1580, 1730, 2020, 3160, 3460, 4040, 6920, 7979, 13667, 15958, 17473, 27334, 31916, 34946, 39895, 54668, 63832, 68335, 69892, 79790, 87365, 109336, 136670, 139784, 159580, 174730, 273340, 319160, 349460, 546680, 698920, 1380367, 2760734, 5521468, 6901835, 11042936, 13803670, 27607340, 55214680]

約数ペア:

[(1, 55214680), (2, 27607340), (4, 13803670), (5, 11042936), (8, 6901835), (10, 5521468), (20, 2760734), (40, 1380367), (79, 698920), (101, 546680), (158, 349460), (173, 319160), (202, 273340), (316, 174730), (346, 159580), (395, 139784), (404, 136670), (505, 109336), (632, 87365), (692, 79790), (790, 69892), (808, 68335), (865, 63832), (1010, 54668), (1384, 39895), (1580, 34946), (1730, 31916), (2020, 27334), (3160, 17473), (3460, 15958), (4040, 13667), (6920, 7979)]