66815780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10343}}^1$

素因数の和:10388

約数の個数: 48

約数和(自身を含む): 156401280

約数和(自身を除く): 89585500

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 10343, 20686, 41372, 51715, 103430, 175831, 196517, 206860, 351662, 393034, 703324, 786068, 879155, 982585, 1758310, 1965170, 3340789, 3516620, 3930340, 6681578, 13363156, 16703945, 33407890, 66815780]

約数ペア:

[(1, 66815780), (2, 33407890), (4, 16703945), (5, 13363156), (10, 6681578), (17, 3930340), (19, 3516620), (20, 3340789), (34, 1965170), (38, 1758310), (68, 982585), (76, 879155), (85, 786068), (95, 703324), (170, 393034), (190, 351662), (323, 206860), (340, 196517), (380, 175831), (646, 103430), (1292, 51715), (1615, 41372), (3230, 20686), (6460, 10343)]