12216620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2473}}^1$

素因数の和:2514

約数の個数: 48

約数和(自身を含む): 29094240

約数和(自身を除く): 16877620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 2473, 4940, 4946, 9892, 12365, 24730, 32149, 46987, 49460, 64298, 93974, 128596, 160745, 187948, 234935, 321490, 469870, 610831, 642980, 939740, 1221662, 2443324, 3054155, 6108310, 12216620]

約数ペア:

[(1, 12216620), (2, 6108310), (4, 3054155), (5, 2443324), (10, 1221662), (13, 939740), (19, 642980), (20, 610831), (26, 469870), (38, 321490), (52, 234935), (65, 187948), (76, 160745), (95, 128596), (130, 93974), (190, 64298), (247, 49460), (260, 46987), (380, 32149), (494, 24730), (988, 12365), (1235, 9892), (2470, 4946), (2473, 4940)]