12315560

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2039}}^1$

素因数の和:2201

約数の個数: 32

約数和(自身を含む): 27907200

約数和(自身を除く): 15591640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 2039, 3020, 4078, 6040, 8156, 10195, 16312, 20390, 40780, 81560, 307889, 615778, 1231556, 1539445, 2463112, 3078890, 6157780, 12315560]

約数ペア:

[(1, 12315560), (2, 6157780), (4, 3078890), (5, 2463112), (8, 1539445), (10, 1231556), (20, 615778), (40, 307889), (151, 81560), (302, 40780), (604, 20390), (755, 16312), (1208, 10195), (1510, 8156), (2039, 6040), (3020, 4078)]