8071580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1931}}^1$

素因数の和:1970

約数の個数: 48

約数和(自身を含む): 19474560

約数和(自身を除く): 11402980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 1931, 2090, 3862, 4180, 7724, 9655, 19310, 21241, 36689, 38620, 42482, 73378, 84964, 106205, 146756, 183445, 212410, 366890, 403579, 424820, 733780, 807158, 1614316, 2017895, 4035790, 8071580]

約数ペア:

[(1, 8071580), (2, 4035790), (4, 2017895), (5, 1614316), (10, 807158), (11, 733780), (19, 424820), (20, 403579), (22, 366890), (38, 212410), (44, 183445), (55, 146756), (76, 106205), (95, 84964), (110, 73378), (190, 42482), (209, 38620), (220, 36689), (380, 21241), (418, 19310), (836, 9655), (1045, 7724), (1931, 4180), (2090, 3862)]