9858820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8081}}^1$

素因数の和:8151

約数の個数: 24

約数和(自身を含む): 21045528

約数和(自身を除く): 11186708

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 8081, 16162, 32324, 40405, 80810, 161620, 492941, 985882, 1971764, 2464705, 4929410, 9858820]

約数ペア:

[(1, 9858820), (2, 4929410), (4, 2464705), (5, 1971764), (10, 985882), (20, 492941), (61, 161620), (122, 80810), (244, 40405), (305, 32324), (610, 16162), (1220, 8081)]