6421420

素因数分解:

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

素因数の和:282

約数の個数: 36

約数和(自身を含む): 13894272

約数和(自身を除く): 7472852

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 191, 205, 382, 410, 764, 820, 955, 1681, 1910, 3362, 3820, 6724, 7831, 8405, 15662, 16810, 31324, 33620, 39155, 78310, 156620, 321071, 642142, 1284284, 1605355, 3210710, 6421420]

約数ペア:

[(1, 6421420), (2, 3210710), (4, 1605355), (5, 1284284), (10, 642142), (20, 321071), (41, 156620), (82, 78310), (164, 39155), (191, 33620), (205, 31324), (382, 16810), (410, 15662), (764, 8405), (820, 7831), (955, 6724), (1681, 3820), (1910, 3362)]