87588020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10867}}^1$

素因数の和:10920

約数の個数: 48

約数和(自身を含む): 204492288

約数和(自身を除く): 116904268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 10867, 21734, 43468, 54335, 108670, 141271, 217340, 282542, 336877, 565084, 673754, 706355, 1347508, 1412710, 1684385, 2825420, 3368770, 4379401, 6737540, 8758802, 17517604, 21897005, 43794010, 87588020]

約数ペア:

[(1, 87588020), (2, 43794010), (4, 21897005), (5, 17517604), (10, 8758802), (13, 6737540), (20, 4379401), (26, 3368770), (31, 2825420), (52, 1684385), (62, 1412710), (65, 1347508), (124, 706355), (130, 673754), (155, 565084), (260, 336877), (310, 282542), (403, 217340), (620, 141271), (806, 108670), (1612, 54335), (2015, 43468), (4030, 21734), (8060, 10867)]