12572680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 30326400

約数和(自身を除く): 17753720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 233, 284, 355, 380, 466, 568, 710, 760, 932, 1165, 1349, 1420, 1864, 2330, 2698, 2840, 4427, 4660, 5396, 6745, 8854, 9320, 10792, 13490, 16543, 17708, 22135, 26980, 33086, 35416, 44270, 53960, 66172, 82715, 88540, 132344, 165430, 177080, 314317, 330860, 628634, 661720, 1257268, 1571585, 2514536, 3143170, 6286340, 12572680]

約数ペア:

[(1, 12572680), (2, 6286340), (4, 3143170), (5, 2514536), (8, 1571585), (10, 1257268), (19, 661720), (20, 628634), (38, 330860), (40, 314317), (71, 177080), (76, 165430), (95, 132344), (142, 88540), (152, 82715), (190, 66172), (233, 53960), (284, 44270), (355, 35416), (380, 33086), (466, 26980), (568, 22135), (710, 17708), (760, 16543), (932, 13490), (1165, 10792), (1349, 9320), (1420, 8854), (1864, 6745), (2330, 5396), (2698, 4660), (2840, 4427)]