12642080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{653}}^1$

素因数の和:690

約数の個数: 72

約数和(自身を含む): 32879196

約数和(自身を除く): 20237116

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 653, 880, 968, 1210, 1306, 1760, 1936, 2420, 2612, 3265, 3872, 4840, 5224, 6530, 7183, 9680, 10448, 13060, 14366, 19360, 20896, 26120, 28732, 35915, 52240, 57464, 71830, 79013, 104480, 114928, 143660, 158026, 229856, 287320, 316052, 395065, 574640, 632104, 790130, 1149280, 1264208, 1580260, 2528416, 3160520, 6321040, 12642080]

約数ペア:

[(1, 12642080), (2, 6321040), (4, 3160520), (5, 2528416), (8, 1580260), (10, 1264208), (11, 1149280), (16, 790130), (20, 632104), (22, 574640), (32, 395065), (40, 316052), (44, 287320), (55, 229856), (80, 158026), (88, 143660), (110, 114928), (121, 104480), (160, 79013), (176, 71830), (220, 57464), (242, 52240), (352, 35915), (440, 28732), (484, 26120), (605, 20896), (653, 19360), (880, 14366), (968, 13060), (1210, 10448), (1306, 9680), (1760, 7183), (1936, 6530), (2420, 5224), (2612, 4840), (3265, 3872)]