4890440

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1187}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 11119680

約数和(自身を除く): 6229240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 1187, 2060, 2374, 4120, 4748, 5935, 9496, 11870, 23740, 47480, 122261, 244522, 489044, 611305, 978088, 1222610, 2445220, 4890440]

約数ペア:

[(1, 4890440), (2, 2445220), (4, 1222610), (5, 978088), (8, 611305), (10, 489044), (20, 244522), (40, 122261), (103, 47480), (206, 23740), (412, 11870), (515, 9496), (824, 5935), (1030, 4748), (1187, 4120), (2060, 2374)]