28700560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{967}}^1$

素因数の和:1040

約数の個数: 80

約数和(自身を含む): 77780736

約数和(自身を除く): 49080176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 967, 1060, 1484, 1855, 1934, 2120, 2968, 3710, 3868, 4240, 4835, 5936, 6769, 7420, 7736, 9670, 13538, 14840, 15472, 19340, 27076, 29680, 33845, 38680, 51251, 54152, 67690, 77360, 102502, 108304, 135380, 205004, 256255, 270760, 358757, 410008, 512510, 541520, 717514, 820016, 1025020, 1435028, 1793785, 2050040, 2870056, 3587570, 4100080, 5740112, 7175140, 14350280, 28700560]

約数ペア:

[(1, 28700560), (2, 14350280), (4, 7175140), (5, 5740112), (7, 4100080), (8, 3587570), (10, 2870056), (14, 2050040), (16, 1793785), (20, 1435028), (28, 1025020), (35, 820016), (40, 717514), (53, 541520), (56, 512510), (70, 410008), (80, 358757), (106, 270760), (112, 256255), (140, 205004), (212, 135380), (265, 108304), (280, 102502), (371, 77360), (424, 67690), (530, 54152), (560, 51251), (742, 38680), (848, 33845), (967, 29680), (1060, 27076), (1484, 19340), (1855, 15472), (1934, 14840), (2120, 13538), (2968, 9670), (3710, 7736), (3868, 7420), (4240, 6769), (4835, 5936)]