45881620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 99187200

約数和(自身を除く): 53305580

約数列:

[1, 2, 4, 5, 10, 20, 71, 79, 142, 158, 284, 316, 355, 395, 409, 710, 790, 818, 1420, 1580, 1636, 2045, 4090, 5609, 8180, 11218, 22436, 28045, 29039, 32311, 56090, 58078, 64622, 112180, 116156, 129244, 145195, 161555, 290390, 323110, 580780, 646220, 2294081, 4588162, 9176324, 11470405, 22940810, 45881620]

約数ペア:

[(1, 45881620), (2, 22940810), (4, 11470405), (5, 9176324), (10, 4588162), (20, 2294081), (71, 646220), (79, 580780), (142, 323110), (158, 290390), (284, 161555), (316, 145195), (355, 129244), (395, 116156), (409, 112180), (710, 64622), (790, 58078), (818, 56090), (1420, 32311), (1580, 29039), (1636, 28045), (2045, 22436), (4090, 11218), (5609, 8180)]