61961980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2273}}^1$

素因数の和:2358

約数の個数: 48

約数和(自身を含む): 137531520

約数和(自身を除く): 75569540

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 188, 235, 290, 470, 580, 940, 1363, 2273, 2726, 4546, 5452, 6815, 9092, 11365, 13630, 22730, 27260, 45460, 65917, 106831, 131834, 213662, 263668, 329585, 427324, 534155, 659170, 1068310, 1318340, 2136620, 3098099, 6196198, 12392396, 15490495, 30980990, 61961980]

約数ペア:

[(1, 61961980), (2, 30980990), (4, 15490495), (5, 12392396), (10, 6196198), (20, 3098099), (29, 2136620), (47, 1318340), (58, 1068310), (94, 659170), (116, 534155), (145, 427324), (188, 329585), (235, 263668), (290, 213662), (470, 131834), (580, 106831), (940, 65917), (1363, 45460), (2273, 27260), (2726, 22730), (4546, 13630), (5452, 11365), (6815, 9092)]