65977360

素因数分解:

$2^4\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1307}}^1$

素因数の和:1951

約数の個数: 40

約数和(自身を含む): 153758016

約数和(自身を除く): 87780656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 631, 1262, 1307, 2524, 2614, 3155, 5048, 5228, 6310, 6535, 10096, 10456, 12620, 13070, 20912, 25240, 26140, 50480, 52280, 104560, 824717, 1649434, 3298868, 4123585, 6597736, 8247170, 13195472, 16494340, 32988680, 65977360]

約数ペア:

[(1, 65977360), (2, 32988680), (4, 16494340), (5, 13195472), (8, 8247170), (10, 6597736), (16, 4123585), (20, 3298868), (40, 1649434), (80, 824717), (631, 104560), (1262, 52280), (1307, 50480), (2524, 26140), (2614, 25240), (3155, 20912), (5048, 13070), (5228, 12620), (6310, 10456), (6535, 10096)]