80740844

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{1297}}^1$

素因数の和:1577

約数の個数: 24

約数和(自身を含む): 143922240

約数和(自身を除く): 63181396

約数列:

[1, 2, 4, 79, 158, 197, 316, 394, 788, 1297, 2594, 5188, 15563, 31126, 62252, 102463, 204926, 255509, 409852, 511018, 1022036, 20185211, 40370422, 80740844]

約数ペア:

[(1, 80740844), (2, 40370422), (4, 20185211), (79, 1022036), (158, 511018), (197, 409852), (316, 255509), (394, 204926), (788, 102463), (1297, 62252), (2594, 31126), (5188, 15563)]