809250640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{17351}}^1$

素因数の和:17428

約数の個数: 80

約数和(自身を含む): 2091401856

約数和(自身を除く): 1282151216

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 53, 55, 80, 88, 106, 110, 176, 212, 220, 265, 424, 440, 530, 583, 848, 880, 1060, 1166, 2120, 2332, 2915, 4240, 4664, 5830, 9328, 11660, 17351, 23320, 34702, 46640, 69404, 86755, 138808, 173510, 190861, 277616, 347020, 381722, 694040, 763444, 919603, 954305, 1388080, 1526888, 1839206, 1908610, 3053776, 3678412, 3817220, 4598015, 7356824, 7634440, 9196030, 10115633, 14713648, 15268880, 18392060, 20231266, 36784120, 40462532, 50578165, 73568240, 80925064, 101156330, 161850128, 202312660, 404625320, 809250640]

約数ペア:

[(1, 809250640), (2, 404625320), (4, 202312660), (5, 161850128), (8, 101156330), (10, 80925064), (11, 73568240), (16, 50578165), (20, 40462532), (22, 36784120), (40, 20231266), (44, 18392060), (53, 15268880), (55, 14713648), (80, 10115633), (88, 9196030), (106, 7634440), (110, 7356824), (176, 4598015), (212, 3817220), (220, 3678412), (265, 3053776), (424, 1908610), (440, 1839206), (530, 1526888), (583, 1388080), (848, 954305), (880, 919603), (1060, 763444), (1166, 694040), (2120, 381722), (2332, 347020), (2915, 277616), (4240, 190861), (4664, 173510), (5830, 138808), (9328, 86755), (11660, 69404), (17351, 46640), (23320, 34702)]