12641120

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1$

素因数の和:144

約数の個数: 72

約数和(自身を含む): 31262112

約数和(自身を除く): 18620992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 47, 80, 82, 94, 160, 164, 188, 205, 235, 328, 376, 410, 470, 656, 752, 820, 940, 1312, 1504, 1640, 1681, 1880, 1927, 3280, 3362, 3760, 3854, 6560, 6724, 7520, 7708, 8405, 9635, 13448, 15416, 16810, 19270, 26896, 30832, 33620, 38540, 53792, 61664, 67240, 77080, 79007, 134480, 154160, 158014, 268960, 308320, 316028, 395035, 632056, 790070, 1264112, 1580140, 2528224, 3160280, 6320560, 12641120]

約数ペア:

[(1, 12641120), (2, 6320560), (4, 3160280), (5, 2528224), (8, 1580140), (10, 1264112), (16, 790070), (20, 632056), (32, 395035), (40, 316028), (41, 308320), (47, 268960), (80, 158014), (82, 154160), (94, 134480), (160, 79007), (164, 77080), (188, 67240), (205, 61664), (235, 53792), (328, 38540), (376, 33620), (410, 30832), (470, 26896), (656, 19270), (752, 16810), (820, 15416), (940, 13448), (1312, 9635), (1504, 8405), (1640, 7708), (1681, 7520), (1880, 6724), (1927, 6560), (3280, 3854), (3362, 3760)]