13790440

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1123}}^1$

素因数の和:1441

約数の個数: 32

約数和(自身を含む): 31157280

約数和(自身を除く): 17366840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1123, 1228, 1535, 2246, 2456, 3070, 4492, 5615, 6140, 8984, 11230, 12280, 22460, 44920, 344761, 689522, 1379044, 1723805, 2758088, 3447610, 6895220, 13790440]

約数ペア:

[(1, 13790440), (2, 6895220), (4, 3447610), (5, 2758088), (8, 1723805), (10, 1379044), (20, 689522), (40, 344761), (307, 44920), (614, 22460), (1123, 12280), (1228, 11230), (1535, 8984), (2246, 6140), (2456, 5615), (3070, 4492)]