17769872720

素因数分解:

$2^4\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{177841}}^1$

素因数の和:179103

約数の個数: 40

約数和(自身を含む): 41348265000

約数和(自身を除く): 23578392280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1249, 2498, 4996, 6245, 9992, 12490, 19984, 24980, 49960, 99920, 177841, 355682, 711364, 889205, 1422728, 1778410, 2845456, 3556820, 7113640, 14227280, 222123409, 444246818, 888493636, 1110617045, 1776987272, 2221234090, 3553974544, 4442468180, 8884936360, 17769872720]

約数ペア:

[(1, 17769872720), (2, 8884936360), (4, 4442468180), (5, 3553974544), (8, 2221234090), (10, 1776987272), (16, 1110617045), (20, 888493636), (40, 444246818), (80, 222123409), (1249, 14227280), (2498, 7113640), (4996, 3556820), (6245, 2845456), (9992, 1778410), (12490, 1422728), (19984, 889205), (24980, 711364), (49960, 355682), (99920, 177841)]