8105780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 18204480

約数和(自身を除く): 10098700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 257, 332, 380, 415, 514, 830, 1028, 1285, 1577, 1660, 2570, 3154, 4883, 5140, 6308, 7885, 9766, 15770, 19532, 21331, 24415, 31540, 42662, 48830, 85324, 97660, 106655, 213310, 405289, 426620, 810578, 1621156, 2026445, 4052890, 8105780]

約数ペア:

[(1, 8105780), (2, 4052890), (4, 2026445), (5, 1621156), (10, 810578), (19, 426620), (20, 405289), (38, 213310), (76, 106655), (83, 97660), (95, 85324), (166, 48830), (190, 42662), (257, 31540), (332, 24415), (380, 21331), (415, 19532), (514, 15770), (830, 9766), (1028, 7885), (1285, 6308), (1577, 5140), (1660, 4883), (2570, 3154)]