20255050

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 39785400

約数和(自身を除く): 19530350

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 61, 122, 145, 229, 290, 305, 458, 610, 725, 1145, 1450, 1525, 1769, 2290, 3050, 3538, 5725, 6641, 8845, 11450, 13282, 13969, 17690, 27938, 33205, 44225, 66410, 69845, 88450, 139690, 166025, 332050, 349225, 405101, 698450, 810202, 2025505, 4051010, 10127525, 20255050]

約数ペア:

[(1, 20255050), (2, 10127525), (5, 4051010), (10, 2025505), (25, 810202), (29, 698450), (50, 405101), (58, 349225), (61, 332050), (122, 166025), (145, 139690), (229, 88450), (290, 69845), (305, 66410), (458, 44225), (610, 33205), (725, 27938), (1145, 17690), (1450, 13969), (1525, 13282), (1769, 11450), (2290, 8845), (3050, 6641), (3538, 5725)]