28312540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1009}}^1$

素因数の和:1102

約数の個数: 48

約数和(自身を含む): 63120960

約数和(自身を除く): 34808420

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 460, 610, 1009, 1220, 1403, 2018, 2806, 4036, 5045, 5612, 7015, 10090, 14030, 20180, 23207, 28060, 46414, 61549, 92828, 116035, 123098, 232070, 246196, 307745, 464140, 615490, 1230980, 1415627, 2831254, 5662508, 7078135, 14156270, 28312540]

約数ペア:

[(1, 28312540), (2, 14156270), (4, 7078135), (5, 5662508), (10, 2831254), (20, 1415627), (23, 1230980), (46, 615490), (61, 464140), (92, 307745), (115, 246196), (122, 232070), (230, 123098), (244, 116035), (305, 92828), (460, 61549), (610, 46414), (1009, 28060), (1220, 23207), (1403, 20180), (2018, 14030), (2806, 10090), (4036, 7015), (5045, 5612)]