874480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:673

約数の個数: 40

約数和(自身を含む): 2156112

約数和(自身を除く): 1281632

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 643, 680, 1286, 1360, 2572, 3215, 5144, 6430, 10288, 10931, 12860, 21862, 25720, 43724, 51440, 54655, 87448, 109310, 174896, 218620, 437240, 874480]

約数ペア:

[(1, 874480), (2, 437240), (4, 218620), (5, 174896), (8, 109310), (10, 87448), (16, 54655), (17, 51440), (20, 43724), (34, 25720), (40, 21862), (68, 12860), (80, 10931), (85, 10288), (136, 6430), (170, 5144), (272, 3215), (340, 2572), (643, 1360), (680, 1286)]