72448760

素因数分解:

$2^3\times 5^1\times {\mathrm{1811219}}^1$

素因数の和:1811230

約数の個数: 16

約数和(自身を含む): 163009800

約数和(自身を除く): 90561040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1811219, 3622438, 7244876, 9056095, 14489752, 18112190, 36224380, 72448760]

約数ペア:

[(1, 72448760), (2, 36224380), (4, 18112190), (5, 14489752), (8, 9056095), (10, 7244876), (20, 3622438), (40, 1811219)]