11997560

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{977}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 27110160

約数和(自身を除く): 15112600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 977, 1228, 1535, 1954, 2456, 3070, 3908, 4885, 6140, 7816, 9770, 12280, 19540, 39080, 299939, 599878, 1199756, 1499695, 2399512, 2999390, 5998780, 11997560]

約数ペア:

[(1, 11997560), (2, 5998780), (4, 2999390), (5, 2399512), (8, 1499695), (10, 1199756), (20, 599878), (40, 299939), (307, 39080), (614, 19540), (977, 12280), (1228, 9770), (1535, 7816), (1954, 6140), (2456, 4885), (3070, 3908)]