5311880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 13927680

約数和(自身を除く): 8615800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 311, 427, 488, 610, 622, 854, 1220, 1244, 1555, 1708, 2135, 2177, 2440, 2488, 3110, 3416, 4270, 4354, 6220, 8540, 8708, 10885, 12440, 17080, 17416, 18971, 21770, 37942, 43540, 75884, 87080, 94855, 132797, 151768, 189710, 265594, 379420, 531188, 663985, 758840, 1062376, 1327970, 2655940, 5311880]

約数ペア:

[(1, 5311880), (2, 2655940), (4, 1327970), (5, 1062376), (7, 758840), (8, 663985), (10, 531188), (14, 379420), (20, 265594), (28, 189710), (35, 151768), (40, 132797), (56, 94855), (61, 87080), (70, 75884), (122, 43540), (140, 37942), (244, 21770), (280, 18971), (305, 17416), (311, 17080), (427, 12440), (488, 10885), (610, 8708), (622, 8540), (854, 6220), (1220, 4354), (1244, 4270), (1555, 3416), (1708, 3110), (2135, 2488), (2177, 2440)]