17982127840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3625429}}^1$

素因数の和:3625475

約数の個数: 48

約数和(自身を含む): 43853201280

約数和(自身を除く): 25871073440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 3625429, 7250858, 14501716, 18127145, 29003432, 36254290, 58006864, 72508580, 112388299, 116013728, 145017160, 224776598, 290034320, 449553196, 561941495, 580068640, 899106392, 1123882990, 1798212784, 2247765980, 3596425568, 4495531960, 8991063920, 17982127840]

約数ペア:

[(1, 17982127840), (2, 8991063920), (4, 4495531960), (5, 3596425568), (8, 2247765980), (10, 1798212784), (16, 1123882990), (20, 899106392), (31, 580068640), (32, 561941495), (40, 449553196), (62, 290034320), (80, 224776598), (124, 145017160), (155, 116013728), (160, 112388299), (248, 72508580), (310, 58006864), (496, 36254290), (620, 29003432), (992, 18127145), (1240, 14501716), (2480, 7250858), (4960, 3625429)]