12356440

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{571}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 27902160

約数和(自身を除く): 15545720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 571, 1082, 1142, 2164, 2284, 2705, 2855, 4328, 4568, 5410, 5710, 10820, 11420, 21640, 22840, 308911, 617822, 1235644, 1544555, 2471288, 3089110, 6178220, 12356440]

約数ペア:

[(1, 12356440), (2, 6178220), (4, 3089110), (5, 2471288), (8, 1544555), (10, 1235644), (20, 617822), (40, 308911), (541, 22840), (571, 21640), (1082, 11420), (1142, 10820), (2164, 5710), (2284, 5410), (2705, 4568), (2855, 4328)]