4980451090

素因数分解:

$2^1\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{386381}}^1$

素因数の和:387677

約数の個数: 16

約数和(自身を含む): 8971790040

約数和(自身を除く): 3991338950

約数列:

[1, 2, 5, 10, 1289, 2578, 6445, 12890, 386381, 772762, 1931905, 3863810, 498045109, 996090218, 2490225545, 4980451090]

約数ペア:

[(1, 4980451090), (2, 2490225545), (5, 996090218), (10, 498045109), (1289, 3863810), (2578, 1931905), (6445, 772762), (12890, 386381)]