25685680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^2\times {\mathrm{191}}^1$

素因数の和:286

約数の個数: 60

約数和(自身を含む): 61531776

約数和(自身を除く): 35846096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 191, 205, 328, 382, 410, 656, 764, 820, 955, 1528, 1640, 1681, 1910, 3056, 3280, 3362, 3820, 6724, 7640, 7831, 8405, 13448, 15280, 15662, 16810, 26896, 31324, 33620, 39155, 62648, 67240, 78310, 125296, 134480, 156620, 313240, 321071, 626480, 642142, 1284284, 1605355, 2568568, 3210710, 5137136, 6421420, 12842840, 25685680]

約数ペア:

[(1, 25685680), (2, 12842840), (4, 6421420), (5, 5137136), (8, 3210710), (10, 2568568), (16, 1605355), (20, 1284284), (40, 642142), (41, 626480), (80, 321071), (82, 313240), (164, 156620), (191, 134480), (205, 125296), (328, 78310), (382, 67240), (410, 62648), (656, 39155), (764, 33620), (820, 31324), (955, 26896), (1528, 16810), (1640, 15662), (1681, 15280), (1910, 13448), (3056, 8405), (3280, 7831), (3362, 7640), (3820, 6724)]