4350520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1783}}^1$

素因数の和:1855

約数の個数: 32

約数和(自身を含む): 9954720

約数和(自身を除く): 5604200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1783, 2440, 3566, 7132, 8915, 14264, 17830, 35660, 71320, 108763, 217526, 435052, 543815, 870104, 1087630, 2175260, 4350520]

約数ペア:

[(1, 4350520), (2, 2175260), (4, 1087630), (5, 870104), (8, 543815), (10, 435052), (20, 217526), (40, 108763), (61, 71320), (122, 35660), (244, 17830), (305, 14264), (488, 8915), (610, 7132), (1220, 3566), (1783, 2440)]