64131460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2377}}^1$

素因数の和:2476

約数の個数: 48

約数和(自身を含む): 143821440

約数和(自身を除く): 79689980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2377, 2698, 4754, 5396, 6745, 9508, 11885, 13490, 23770, 26980, 45163, 47540, 90326, 168767, 180652, 225815, 337534, 451630, 675068, 843835, 903260, 1687670, 3206573, 3375340, 6413146, 12826292, 16032865, 32065730, 64131460]

約数ペア:

[(1, 64131460), (2, 32065730), (4, 16032865), (5, 12826292), (10, 6413146), (19, 3375340), (20, 3206573), (38, 1687670), (71, 903260), (76, 843835), (95, 675068), (142, 451630), (190, 337534), (284, 225815), (355, 180652), (380, 168767), (710, 90326), (1349, 47540), (1420, 45163), (2377, 26980), (2698, 23770), (4754, 13490), (5396, 11885), (6745, 9508)]