85831880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1213}}^1$

素因数の和:1314

約数の個数: 64

約数和(自身を含む): 203223600

約数和(自身を除く): 117391720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 232, 244, 290, 305, 488, 580, 610, 1160, 1213, 1220, 1769, 2426, 2440, 3538, 4852, 6065, 7076, 8845, 9704, 12130, 14152, 17690, 24260, 35177, 35380, 48520, 70354, 70760, 73993, 140708, 147986, 175885, 281416, 295972, 351770, 369965, 591944, 703540, 739930, 1407080, 1479860, 2145797, 2959720, 4291594, 8583188, 10728985, 17166376, 21457970, 42915940, 85831880]

約数ペア:

[(1, 85831880), (2, 42915940), (4, 21457970), (5, 17166376), (8, 10728985), (10, 8583188), (20, 4291594), (29, 2959720), (40, 2145797), (58, 1479860), (61, 1407080), (116, 739930), (122, 703540), (145, 591944), (232, 369965), (244, 351770), (290, 295972), (305, 281416), (488, 175885), (580, 147986), (610, 140708), (1160, 73993), (1213, 70760), (1220, 70354), (1769, 48520), (2426, 35380), (2440, 35177), (3538, 24260), (4852, 17690), (6065, 14152), (7076, 12130), (8845, 9704)]