20160794680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{111091}}^1$

素因数の和:111464

約数の個数: 64

約数和(自身を含む): 48991572000

約数和(自身を除く): 28830777320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 349, 520, 698, 1396, 1745, 2792, 3490, 4537, 6980, 9074, 13960, 18148, 22685, 36296, 45370, 90740, 111091, 181480, 222182, 444364, 555455, 888728, 1110910, 1444183, 2221820, 2888366, 4443640, 5776732, 7220915, 11553464, 14441830, 28883660, 38770759, 57767320, 77541518, 155083036, 193853795, 310166072, 387707590, 504019867, 775415180, 1008039734, 1550830360, 2016079468, 2520099335, 4032158936, 5040198670, 10080397340, 20160794680]

約数ペア:

[(1, 20160794680), (2, 10080397340), (4, 5040198670), (5, 4032158936), (8, 2520099335), (10, 2016079468), (13, 1550830360), (20, 1008039734), (26, 775415180), (40, 504019867), (52, 387707590), (65, 310166072), (104, 193853795), (130, 155083036), (260, 77541518), (349, 57767320), (520, 38770759), (698, 28883660), (1396, 14441830), (1745, 11553464), (2792, 7220915), (3490, 5776732), (4537, 4443640), (6980, 2888366), (9074, 2221820), (13960, 1444183), (18148, 1110910), (22685, 888728), (36296, 555455), (45370, 444364), (90740, 222182), (111091, 181480)]