40348720

素因数分解:

$2^4\times 5^1\times {\mathrm{504359}}^1$

素因数の和:504372

約数の個数: 20

約数和(自身を含む): 93810960

約数和(自身を除く): 53462240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 504359, 1008718, 2017436, 2521795, 4034872, 5043590, 8069744, 10087180, 20174360, 40348720]

約数ペア:

[(1, 40348720), (2, 20174360), (4, 10087180), (5, 8069744), (8, 5043590), (10, 4034872), (16, 2521795), (20, 2017436), (40, 1008718), (80, 504359)]