13250420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10861}}^1$

素因数の和:10931

約数の個数: 24

約数和(自身を含む): 28284648

約数和(自身を除く): 15034228

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 10861, 21722, 43444, 54305, 108610, 217220, 662521, 1325042, 2650084, 3312605, 6625210, 13250420]

約数ペア:

[(1, 13250420), (2, 6625210), (4, 3312605), (5, 2650084), (10, 1325042), (20, 662521), (61, 217220), (122, 108610), (244, 54305), (305, 43444), (610, 21722), (1220, 10861)]