28360160

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{491}}^1$

素因数の和:544

約数の個数: 72

約数和(自身を含む): 70856856

約数和(自身を除く): 42496696

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 361, 380, 491, 608, 722, 760, 982, 1444, 1520, 1805, 1964, 2455, 2888, 3040, 3610, 3928, 4910, 5776, 7220, 7856, 9329, 9820, 11552, 14440, 15712, 18658, 19640, 28880, 37316, 39280, 46645, 57760, 74632, 78560, 93290, 149264, 177251, 186580, 298528, 354502, 373160, 709004, 746320, 886255, 1418008, 1492640, 1772510, 2836016, 3545020, 5672032, 7090040, 14180080, 28360160]

約数ペア:

[(1, 28360160), (2, 14180080), (4, 7090040), (5, 5672032), (8, 3545020), (10, 2836016), (16, 1772510), (19, 1492640), (20, 1418008), (32, 886255), (38, 746320), (40, 709004), (76, 373160), (80, 354502), (95, 298528), (152, 186580), (160, 177251), (190, 149264), (304, 93290), (361, 78560), (380, 74632), (491, 57760), (608, 46645), (722, 39280), (760, 37316), (982, 28880), (1444, 19640), (1520, 18658), (1805, 15712), (1964, 14440), (2455, 11552), (2888, 9820), (3040, 9329), (3610, 7856), (3928, 7220), (4910, 5776)]