65500220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1777}}^1$

素因数の和:1902

約数の個数: 48

約数和(自身を含む): 146364960

約数和(自身を除く): 80864740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1777, 1843, 1940, 3554, 3686, 7108, 7372, 8885, 9215, 17770, 18430, 33763, 35540, 36860, 67526, 135052, 168815, 172369, 337630, 344738, 675260, 689476, 861845, 1723690, 3275011, 3447380, 6550022, 13100044, 16375055, 32750110, 65500220]

約数ペア:

[(1, 65500220), (2, 32750110), (4, 16375055), (5, 13100044), (10, 6550022), (19, 3447380), (20, 3275011), (38, 1723690), (76, 861845), (95, 689476), (97, 675260), (190, 344738), (194, 337630), (380, 172369), (388, 168815), (485, 135052), (970, 67526), (1777, 36860), (1843, 35540), (1940, 33763), (3554, 18430), (3686, 17770), (7108, 9215), (7372, 8885)]