13540780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1009}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 31560480

約数和(自身を除く): 18019700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1009, 1220, 1342, 2018, 2684, 3355, 4036, 5045, 6710, 10090, 11099, 13420, 20180, 22198, 44396, 55495, 61549, 110990, 123098, 221980, 246196, 307745, 615490, 677039, 1230980, 1354078, 2708156, 3385195, 6770390, 13540780]

約数ペア:

[(1, 13540780), (2, 6770390), (4, 3385195), (5, 2708156), (10, 1354078), (11, 1230980), (20, 677039), (22, 615490), (44, 307745), (55, 246196), (61, 221980), (110, 123098), (122, 110990), (220, 61549), (244, 55495), (305, 44396), (610, 22198), (671, 20180), (1009, 13420), (1220, 11099), (1342, 10090), (2018, 6710), (2684, 5045), (3355, 4036)]