2003125580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{5051}}^1$

素因数の和:5390

約数の個数: 48

約数和(自身を含む): 4277629440

約数和(自身を除く): 2274503860

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 251, 316, 395, 502, 790, 1004, 1255, 1580, 2510, 5020, 5051, 10102, 19829, 20204, 25255, 39658, 50510, 79316, 99145, 101020, 198290, 396580, 399029, 798058, 1267801, 1596116, 1995145, 2535602, 3990290, 5071204, 6339005, 7980580, 12678010, 25356020, 100156279, 200312558, 400625116, 500781395, 1001562790, 2003125580]

約数ペア:

[(1, 2003125580), (2, 1001562790), (4, 500781395), (5, 400625116), (10, 200312558), (20, 100156279), (79, 25356020), (158, 12678010), (251, 7980580), (316, 6339005), (395, 5071204), (502, 3990290), (790, 2535602), (1004, 1995145), (1255, 1596116), (1580, 1267801), (2510, 798058), (5020, 399029), (5051, 396580), (10102, 198290), (19829, 101020), (20204, 99145), (25255, 79316), (39658, 50510)]