85158440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2053}}^1$

素因数の和:2142

約数の個数: 64

約数和(自身を含む): 206303760

約数和(自身を除く): 121145320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 305, 340, 488, 610, 680, 1037, 1220, 2053, 2074, 2440, 4106, 4148, 5185, 8212, 8296, 10265, 10370, 16424, 20530, 20740, 34901, 41060, 41480, 69802, 82120, 125233, 139604, 174505, 250466, 279208, 349010, 500932, 626165, 698020, 1001864, 1252330, 1396040, 2128961, 2504660, 4257922, 5009320, 8515844, 10644805, 17031688, 21289610, 42579220, 85158440]

約数ペア:

[(1, 85158440), (2, 42579220), (4, 21289610), (5, 17031688), (8, 10644805), (10, 8515844), (17, 5009320), (20, 4257922), (34, 2504660), (40, 2128961), (61, 1396040), (68, 1252330), (85, 1001864), (122, 698020), (136, 626165), (170, 500932), (244, 349010), (305, 279208), (340, 250466), (488, 174505), (610, 139604), (680, 125233), (1037, 82120), (1220, 69802), (2053, 41480), (2074, 41060), (2440, 34901), (4106, 20740), (4148, 20530), (5185, 16424), (8212, 10370), (8296, 10265)]