85025840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{619}}^1$

素因数の和:750

約数の個数: 80

約数和(自身を含む): 211727520

約数和(自身を除く): 126701680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 101, 136, 170, 202, 272, 340, 404, 505, 619, 680, 808, 1010, 1238, 1360, 1616, 1717, 2020, 2476, 3095, 3434, 4040, 4952, 6190, 6868, 8080, 8585, 9904, 10523, 12380, 13736, 17170, 21046, 24760, 27472, 34340, 42092, 49520, 52615, 62519, 68680, 84184, 105230, 125038, 137360, 168368, 210460, 250076, 312595, 420920, 500152, 625190, 841840, 1000304, 1062823, 1250380, 2125646, 2500760, 4251292, 5001520, 5314115, 8502584, 10628230, 17005168, 21256460, 42512920, 85025840]

約数ペア:

[(1, 85025840), (2, 42512920), (4, 21256460), (5, 17005168), (8, 10628230), (10, 8502584), (16, 5314115), (17, 5001520), (20, 4251292), (34, 2500760), (40, 2125646), (68, 1250380), (80, 1062823), (85, 1000304), (101, 841840), (136, 625190), (170, 500152), (202, 420920), (272, 312595), (340, 250076), (404, 210460), (505, 168368), (619, 137360), (680, 125038), (808, 105230), (1010, 84184), (1238, 68680), (1360, 62519), (1616, 52615), (1717, 49520), (2020, 42092), (2476, 34340), (3095, 27472), (3434, 24760), (4040, 21046), (4952, 17170), (6190, 13736), (6868, 12380), (8080, 10523), (8585, 9904)]