81251420960

素因数分解:

$2^5\times 5^1\times {\mathrm{507821381}}^1$

素因数の和:507821396

約数の個数: 24

約数和(自身を含む): 191956482396

約数和(自身を除く): 110705061436

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 507821381, 1015642762, 2031285524, 2539106905, 4062571048, 5078213810, 8125142096, 10156427620, 16250284192, 20312855240, 40625710480, 81251420960]

約数ペア:

[(1, 81251420960), (2, 40625710480), (4, 20312855240), (5, 16250284192), (8, 10156427620), (10, 8125142096), (16, 5078213810), (20, 4062571048), (32, 2539106905), (40, 2031285524), (80, 1015642762), (160, 507821381)]