13212640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 36578304

約数和(自身を除く): 23365664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 70, 80, 94, 112, 140, 160, 188, 224, 235, 251, 280, 329, 376, 470, 502, 560, 658, 752, 940, 1004, 1120, 1255, 1316, 1504, 1645, 1757, 1880, 2008, 2510, 2632, 3290, 3514, 3760, 4016, 5020, 5264, 6580, 7028, 7520, 8032, 8785, 10040, 10528, 11797, 13160, 14056, 17570, 20080, 23594, 26320, 28112, 35140, 40160, 47188, 52640, 56224, 58985, 70280, 82579, 94376, 117970, 140560, 165158, 188752, 235940, 281120, 330316, 377504, 412895, 471880, 660632, 825790, 943760, 1321264, 1651580, 1887520, 2642528, 3303160, 6606320, 13212640]

約数ペア:

[(1, 13212640), (2, 6606320), (4, 3303160), (5, 2642528), (7, 1887520), (8, 1651580), (10, 1321264), (14, 943760), (16, 825790), (20, 660632), (28, 471880), (32, 412895), (35, 377504), (40, 330316), (47, 281120), (56, 235940), (70, 188752), (80, 165158), (94, 140560), (112, 117970), (140, 94376), (160, 82579), (188, 70280), (224, 58985), (235, 56224), (251, 52640), (280, 47188), (329, 40160), (376, 35140), (470, 28112), (502, 26320), (560, 23594), (658, 20080), (752, 17570), (940, 14056), (1004, 13160), (1120, 11797), (1255, 10528), (1316, 10040), (1504, 8785), (1645, 8032), (1757, 7520), (1880, 7028), (2008, 6580), (2510, 5264), (2632, 5020), (3290, 4016), (3514, 3760)]