84602680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 197769600

約数和(自身を除く): 113166920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 79, 82, 158, 164, 205, 316, 328, 395, 410, 632, 653, 790, 820, 1306, 1580, 1640, 2612, 3160, 3239, 3265, 5224, 6478, 6530, 12956, 13060, 16195, 25912, 26120, 26773, 32390, 51587, 53546, 64780, 103174, 107092, 129560, 133865, 206348, 214184, 257935, 267730, 412696, 515870, 535460, 1031740, 1070920, 2063480, 2115067, 4230134, 8460268, 10575335, 16920536, 21150670, 42301340, 84602680]

約数ペア:

[(1, 84602680), (2, 42301340), (4, 21150670), (5, 16920536), (8, 10575335), (10, 8460268), (20, 4230134), (40, 2115067), (41, 2063480), (79, 1070920), (82, 1031740), (158, 535460), (164, 515870), (205, 412696), (316, 267730), (328, 257935), (395, 214184), (410, 206348), (632, 133865), (653, 129560), (790, 107092), (820, 103174), (1306, 64780), (1580, 53546), (1640, 51587), (2612, 32390), (3160, 26773), (3239, 26120), (3265, 25912), (5224, 16195), (6478, 13060), (6530, 12956)]