53805620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1229}}^1$

素因数の和:1448

約数の個数: 48

約数和(自身を含む): 123984000

約数和(自身を除く): 70178380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1229, 1990, 2189, 2458, 3980, 4378, 4916, 6145, 8756, 10945, 12290, 13519, 21890, 24580, 27038, 43780, 54076, 67595, 135190, 244571, 270380, 489142, 978284, 1222855, 2445710, 2690281, 4891420, 5380562, 10761124, 13451405, 26902810, 53805620]

約数ペア:

[(1, 53805620), (2, 26902810), (4, 13451405), (5, 10761124), (10, 5380562), (11, 4891420), (20, 2690281), (22, 2445710), (44, 1222855), (55, 978284), (110, 489142), (199, 270380), (220, 244571), (398, 135190), (796, 67595), (995, 54076), (1229, 43780), (1990, 27038), (2189, 24580), (2458, 21890), (3980, 13519), (4378, 12290), (4916, 10945), (6145, 8756)]