88420880

素因数分解:

$2^4\times 5^1\times {\mathrm{1105261}}^1$

素因数の和:1105274

約数の個数: 20

約数和(自身を含む): 205578732

約数和(自身を除く): 117157852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1105261, 2210522, 4421044, 5526305, 8842088, 11052610, 17684176, 22105220, 44210440, 88420880]

約数ペア:

[(1, 88420880), (2, 44210440), (4, 22105220), (5, 17684176), (8, 11052610), (10, 8842088), (16, 5526305), (20, 4421044), (40, 2210522), (80, 1105261)]