20403777440

素因数分解:

$2^5\times 5^1\times {\mathrm{127523609}}^1$

素因数の和:127523624

約数の個数: 24

約数和(自身を含む): 48203924580

約数和(自身を除く): 27800147140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 127523609, 255047218, 510094436, 637618045, 1020188872, 1275236090, 2040377744, 2550472180, 4080755488, 5100944360, 10201888720, 20403777440]

約数ペア:

[(1, 20403777440), (2, 10201888720), (4, 5100944360), (5, 4080755488), (8, 2550472180), (10, 2040377744), (16, 1275236090), (20, 1020188872), (32, 637618045), (40, 510094436), (80, 255047218), (160, 127523609)]