11808920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 27907200

約数和(自身を除く): 16098280

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 101, 148, 158, 185, 202, 296, 316, 370, 395, 404, 505, 632, 740, 790, 808, 1010, 1480, 1580, 2020, 2923, 3160, 3737, 4040, 5846, 7474, 7979, 11692, 14615, 14948, 15958, 18685, 23384, 29230, 29896, 31916, 37370, 39895, 58460, 63832, 74740, 79790, 116920, 149480, 159580, 295223, 319160, 590446, 1180892, 1476115, 2361784, 2952230, 5904460, 11808920]

約数ペア:

[(1, 11808920), (2, 5904460), (4, 2952230), (5, 2361784), (8, 1476115), (10, 1180892), (20, 590446), (37, 319160), (40, 295223), (74, 159580), (79, 149480), (101, 116920), (148, 79790), (158, 74740), (185, 63832), (202, 58460), (296, 39895), (316, 37370), (370, 31916), (395, 29896), (404, 29230), (505, 23384), (632, 18685), (740, 15958), (790, 14948), (808, 14615), (1010, 11692), (1480, 7979), (1580, 7474), (2020, 5846), (2923, 4040), (3160, 3737)]