8820560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{829}}^1$

素因数の和:868

約数の個数: 80

約数和(自身を含む): 24700800

約数和(自身を除く): 15880240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 829, 1064, 1330, 1520, 1658, 2128, 2660, 3316, 4145, 5320, 5803, 6632, 8290, 10640, 11606, 13264, 15751, 16580, 23212, 29015, 31502, 33160, 46424, 58030, 63004, 66320, 78755, 92848, 110257, 116060, 126008, 157510, 220514, 232120, 252016, 315020, 441028, 464240, 551285, 630040, 882056, 1102570, 1260080, 1764112, 2205140, 4410280, 8820560]

約数ペア:

[(1, 8820560), (2, 4410280), (4, 2205140), (5, 1764112), (7, 1260080), (8, 1102570), (10, 882056), (14, 630040), (16, 551285), (19, 464240), (20, 441028), (28, 315020), (35, 252016), (38, 232120), (40, 220514), (56, 157510), (70, 126008), (76, 116060), (80, 110257), (95, 92848), (112, 78755), (133, 66320), (140, 63004), (152, 58030), (190, 46424), (266, 33160), (280, 31502), (304, 29015), (380, 23212), (532, 16580), (560, 15751), (665, 13264), (760, 11606), (829, 10640), (1064, 8290), (1330, 6632), (1520, 5803), (1658, 5320), (2128, 4145), (2660, 3316)]