28151080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{827}}^1$

素因数の和:898

約数の個数: 64

約数和(自身を含む): 67962240

約数和(自身を除く): 39811160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 740, 827, 851, 920, 1480, 1654, 1702, 3308, 3404, 4135, 4255, 6616, 6808, 8270, 8510, 16540, 17020, 19021, 30599, 33080, 34040, 38042, 61198, 76084, 95105, 122396, 152168, 152995, 190210, 244792, 305990, 380420, 611980, 703777, 760840, 1223960, 1407554, 2815108, 3518885, 5630216, 7037770, 14075540, 28151080]

約数ペア:

[(1, 28151080), (2, 14075540), (4, 7037770), (5, 5630216), (8, 3518885), (10, 2815108), (20, 1407554), (23, 1223960), (37, 760840), (40, 703777), (46, 611980), (74, 380420), (92, 305990), (115, 244792), (148, 190210), (184, 152995), (185, 152168), (230, 122396), (296, 95105), (370, 76084), (460, 61198), (740, 38042), (827, 34040), (851, 33080), (920, 30599), (1480, 19021), (1654, 17020), (1702, 16540), (3308, 8510), (3404, 8270), (4135, 6808), (4255, 6616)]