1280452820

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{423991}}^1$

素因数の和:424151

約数の個数: 24

約数和(自身を含む): 2706764928

約数和(自身を除く): 1426312108

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 423991, 847982, 1695964, 2119955, 4239910, 8479820, 64022641, 128045282, 256090564, 320113205, 640226410, 1280452820]

約数ペア:

[(1, 1280452820), (2, 640226410), (4, 320113205), (5, 256090564), (10, 128045282), (20, 64022641), (151, 8479820), (302, 4239910), (604, 2119955), (755, 1695964), (1510, 847982), (3020, 423991)]