80580950

素因数分解:

$2^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{4019}}^1$

素因数の和:4432

約数の個数: 24

約数和(自身を含む): 150291720

約数和(自身を除く): 69710770

約数列:

[1, 2, 5, 10, 25, 50, 401, 802, 2005, 4010, 4019, 8038, 10025, 20050, 20095, 40190, 100475, 200950, 1611619, 3223238, 8058095, 16116190, 40290475, 80580950]

約数ペア:

[(1, 80580950), (2, 40290475), (5, 16116190), (10, 8058095), (25, 3223238), (50, 1611619), (401, 200950), (802, 100475), (2005, 40190), (4010, 20095), (4019, 20050), (8038, 10025)]