202427420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{778567}}^1$

素因数の和:778589

約数の個数: 24

約数和(自身を含む): 457797984

約数和(自身を除く): 255370564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 778567, 1557134, 3114268, 3892835, 7785670, 10121371, 15571340, 20242742, 40485484, 50606855, 101213710, 202427420]

約数ペア:

[(1, 202427420), (2, 101213710), (4, 50606855), (5, 40485484), (10, 20242742), (13, 15571340), (20, 10121371), (26, 7785670), (52, 3892835), (65, 3114268), (130, 1557134), (260, 778567)]