4027220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3301}}^1$

素因数の和:3371

約数の個数: 24

約数和(自身を含む): 8598408

約数和(自身を除く): 4571188

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 3301, 6602, 13204, 16505, 33010, 66020, 201361, 402722, 805444, 1006805, 2013610, 4027220]

約数ペア:

[(1, 4027220), (2, 2013610), (4, 1006805), (5, 805444), (10, 402722), (20, 201361), (61, 66020), (122, 33010), (244, 16505), (305, 13204), (610, 6602), (1220, 3301)]