125501020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2851}}^1$

素因数の和:2962

約数の個数: 48

約数和(自身を含む): 275982336

約数和(自身を除く): 150481316

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2201, 2851, 4402, 5702, 8804, 11005, 11404, 14255, 22010, 28510, 44020, 57020, 88381, 176762, 202421, 353524, 404842, 441905, 809684, 883810, 1012105, 1767620, 2024210, 4048420, 6275051, 12550102, 25100204, 31375255, 62750510, 125501020]

約数ペア:

[(1, 125501020), (2, 62750510), (4, 31375255), (5, 25100204), (10, 12550102), (20, 6275051), (31, 4048420), (62, 2024210), (71, 1767620), (124, 1012105), (142, 883810), (155, 809684), (284, 441905), (310, 404842), (355, 353524), (620, 202421), (710, 176762), (1420, 88381), (2201, 57020), (2851, 44020), (4402, 28510), (5702, 22010), (8804, 14255), (11005, 11404)]