5155540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 11854080

約数和(自身を除く): 6698540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 251, 260, 316, 395, 502, 790, 1004, 1027, 1255, 1580, 2054, 2510, 3263, 4108, 5020, 5135, 6526, 10270, 13052, 16315, 19829, 20540, 32630, 39658, 65260, 79316, 99145, 198290, 257777, 396580, 515554, 1031108, 1288885, 2577770, 5155540]

約数ペア:

[(1, 5155540), (2, 2577770), (4, 1288885), (5, 1031108), (10, 515554), (13, 396580), (20, 257777), (26, 198290), (52, 99145), (65, 79316), (79, 65260), (130, 39658), (158, 32630), (251, 20540), (260, 19829), (316, 16315), (395, 13052), (502, 10270), (790, 6526), (1004, 5135), (1027, 5020), (1255, 4108), (1580, 3263), (2054, 2510)]