17444720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 43711488

約数和(自身を除く): 26266768

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 101, 127, 136, 170, 202, 254, 272, 340, 404, 505, 508, 635, 680, 808, 1010, 1016, 1270, 1360, 1616, 1717, 2020, 2032, 2159, 2540, 3434, 4040, 4318, 5080, 6868, 8080, 8585, 8636, 10160, 10795, 12827, 13736, 17170, 17272, 21590, 25654, 27472, 34340, 34544, 43180, 51308, 64135, 68680, 86360, 102616, 128270, 137360, 172720, 205232, 218059, 256540, 436118, 513080, 872236, 1026160, 1090295, 1744472, 2180590, 3488944, 4361180, 8722360, 17444720]

約数ペア:

[(1, 17444720), (2, 8722360), (4, 4361180), (5, 3488944), (8, 2180590), (10, 1744472), (16, 1090295), (17, 1026160), (20, 872236), (34, 513080), (40, 436118), (68, 256540), (80, 218059), (85, 205232), (101, 172720), (127, 137360), (136, 128270), (170, 102616), (202, 86360), (254, 68680), (272, 64135), (340, 51308), (404, 43180), (505, 34544), (508, 34340), (635, 27472), (680, 25654), (808, 21590), (1010, 17272), (1016, 17170), (1270, 13736), (1360, 12827), (1616, 10795), (1717, 10160), (2020, 8636), (2032, 8585), (2159, 8080), (2540, 6868), (3434, 5080), (4040, 4318)]