28311880

素因数分解:

$2^3\times 5^1\times {\mathrm{707797}}^1$

素因数の和:707808

約数の個数: 16

約数和(自身を含む): 63701820

約数和(自身を除く): 35389940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 707797, 1415594, 2831188, 3538985, 5662376, 7077970, 14155940, 28311880]

約数ペア:

[(1, 28311880), (2, 14155940), (4, 7077970), (5, 5662376), (8, 3538985), (10, 2831188), (20, 1415594), (40, 707797)]