201390440

素因数分解:

$2^3\times 5^1\times {\mathrm{5034761}}^1$

素因数の和:5034772

約数の個数: 16

約数和(自身を含む): 453128580

約数和(自身を除く): 251738140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5034761, 10069522, 20139044, 25173805, 40278088, 50347610, 100695220, 201390440]

約数ペア:

[(1, 201390440), (2, 100695220), (4, 50347610), (5, 40278088), (8, 25173805), (10, 20139044), (20, 10069522), (40, 5034761)]