165247420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{635567}}^1$

素因数の和:635589

約数の個数: 24

約数和(自身を含む): 373713984

約数和(自身を除く): 208466564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 635567, 1271134, 2542268, 3177835, 6355670, 8262371, 12711340, 16524742, 33049484, 41311855, 82623710, 165247420]

約数ペア:

[(1, 165247420), (2, 82623710), (4, 41311855), (5, 33049484), (10, 16524742), (13, 12711340), (20, 8262371), (26, 6355670), (52, 3177835), (65, 2542268), (130, 1271134), (260, 635567)]