6491120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1979}}^1$

素因数の和:2033

約数の個数: 40

約数和(自身を含む): 15467760

約数和(自身を除く): 8976640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 1979, 3280, 3958, 7916, 9895, 15832, 19790, 31664, 39580, 79160, 81139, 158320, 162278, 324556, 405695, 649112, 811390, 1298224, 1622780, 3245560, 6491120]

約数ペア:

[(1, 6491120), (2, 3245560), (4, 1622780), (5, 1298224), (8, 811390), (10, 649112), (16, 405695), (20, 324556), (40, 162278), (41, 158320), (80, 81139), (82, 79160), (164, 39580), (205, 31664), (328, 19790), (410, 15832), (656, 9895), (820, 7916), (1640, 3958), (1979, 3280)]