51371360

素因数分解:

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

素因数の和:288

約数の個数: 72

約数和(自身を含む): 125048448

約数和(自身を除く): 73677088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 191, 205, 328, 382, 410, 656, 764, 820, 955, 1312, 1528, 1640, 1681, 1910, 3056, 3280, 3362, 3820, 6112, 6560, 6724, 7640, 7831, 8405, 13448, 15280, 15662, 16810, 26896, 30560, 31324, 33620, 39155, 53792, 62648, 67240, 78310, 125296, 134480, 156620, 250592, 268960, 313240, 321071, 626480, 642142, 1252960, 1284284, 1605355, 2568568, 3210710, 5137136, 6421420, 10274272, 12842840, 25685680, 51371360]

約数ペア:

[(1, 51371360), (2, 25685680), (4, 12842840), (5, 10274272), (8, 6421420), (10, 5137136), (16, 3210710), (20, 2568568), (32, 1605355), (40, 1284284), (41, 1252960), (80, 642142), (82, 626480), (160, 321071), (164, 313240), (191, 268960), (205, 250592), (328, 156620), (382, 134480), (410, 125296), (656, 78310), (764, 67240), (820, 62648), (955, 53792), (1312, 39155), (1528, 33620), (1640, 31324), (1681, 30560), (1910, 26896), (3056, 16810), (3280, 15662), (3362, 15280), (3820, 13448), (6112, 8405), (6560, 7831), (6724, 7640)]