137539420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{4091}}^1$

素因数の和:4182

約数の個数: 36

約数和(自身を含む): 296121672

約数和(自身を除く): 158582252

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1681, 3362, 4091, 6724, 8182, 8405, 16364, 16810, 20455, 33620, 40910, 81820, 167731, 335462, 670924, 838655, 1677310, 3354620, 6876971, 13753942, 27507884, 34384855, 68769710, 137539420]

約数ペア:

[(1, 137539420), (2, 68769710), (4, 34384855), (5, 27507884), (10, 13753942), (20, 6876971), (41, 3354620), (82, 1677310), (164, 838655), (205, 670924), (410, 335462), (820, 167731), (1681, 81820), (3362, 40910), (4091, 33620), (6724, 20455), (8182, 16810), (8405, 16364)]