28101580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3727}}^1$

素因数の和:3778

約数の個数: 48

約数和(自身を含む): 65761920

約数和(自身を除く): 37660340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3727, 3770, 7454, 7540, 14908, 18635, 37270, 48451, 74540, 96902, 108083, 193804, 216166, 242255, 432332, 484510, 540415, 969020, 1080830, 1405079, 2161660, 2810158, 5620316, 7025395, 14050790, 28101580]

約数ペア:

[(1, 28101580), (2, 14050790), (4, 7025395), (5, 5620316), (10, 2810158), (13, 2161660), (20, 1405079), (26, 1080830), (29, 969020), (52, 540415), (58, 484510), (65, 432332), (116, 242255), (130, 216166), (145, 193804), (260, 108083), (290, 96902), (377, 74540), (580, 48451), (754, 37270), (1508, 18635), (1885, 14908), (3727, 7540), (3770, 7454)]