71468020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8867}}^1$

素因数の和:8920

約数の個数: 48

約数和(自身を含む): 166860288

約数和(自身を除く): 95392268

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, 8867, 17734, 35468, 44335, 88670, 115271, 177340, 230542, 274877, 461084, 549754, 576355, 1099508, 1152710, 1374385, 2305420, 2748770, 3573401, 5497540, 7146802, 14293604, 17867005, 35734010, 71468020]

約数ペア:

[(1, 71468020), (2, 35734010), (4, 17867005), (5, 14293604), (10, 7146802), (13, 5497540), (20, 3573401), (26, 2748770), (31, 2305420), (52, 1374385), (62, 1152710), (65, 1099508), (124, 576355), (130, 549754), (155, 461084), (260, 274877), (310, 230542), (403, 177340), (620, 115271), (806, 88670), (1612, 44335), (2015, 35468), (4030, 17734), (8060, 8867)]