48640180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{39869}}^1$

素因数の和:39939

約数の個数: 24

約数和(自身を含む): 103821480

約数和(自身を除く): 55181300

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 39869, 79738, 159476, 199345, 398690, 797380, 2432009, 4864018, 9728036, 12160045, 24320090, 48640180]

約数ペア:

[(1, 48640180), (2, 24320090), (4, 12160045), (5, 9728036), (10, 4864018), (20, 2432009), (61, 797380), (122, 398690), (244, 199345), (305, 159476), (610, 79738), (1220, 39869)]