47990240

素因数分解:

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

素因数の和:1299

約数の個数: 48

約数和(自身を含む): 113862672

約数和(自身を除く): 65872432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 307, 614, 977, 1228, 1535, 1954, 2456, 3070, 3908, 4885, 4912, 6140, 7816, 9770, 9824, 12280, 15632, 19540, 24560, 31264, 39080, 49120, 78160, 156320, 299939, 599878, 1199756, 1499695, 2399512, 2999390, 4799024, 5998780, 9598048, 11997560, 23995120, 47990240]

約数ペア:

[(1, 47990240), (2, 23995120), (4, 11997560), (5, 9598048), (8, 5998780), (10, 4799024), (16, 2999390), (20, 2399512), (32, 1499695), (40, 1199756), (80, 599878), (160, 299939), (307, 156320), (614, 78160), (977, 49120), (1228, 39080), (1535, 31264), (1954, 24560), (2456, 19540), (3070, 15632), (3908, 12280), (4885, 9824), (4912, 9770), (6140, 7816)]