2100081680

素因数分解:

$2^4\times 5^1\times {\mathrm{2309}}^1\times {\mathrm{11369}}^1$

素因数の和:13691

約数の個数: 40

約数和(自身を含む): 4885234200

約数和(自身を除く): 2785152520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2309, 4618, 9236, 11369, 11545, 18472, 22738, 23090, 36944, 45476, 46180, 56845, 90952, 92360, 113690, 181904, 184720, 227380, 454760, 909520, 26251021, 52502042, 105004084, 131255105, 210008168, 262510210, 420016336, 525020420, 1050040840, 2100081680]

約数ペア:

[(1, 2100081680), (2, 1050040840), (4, 525020420), (5, 420016336), (8, 262510210), (10, 210008168), (16, 131255105), (20, 105004084), (40, 52502042), (80, 26251021), (2309, 909520), (4618, 454760), (9236, 227380), (11369, 184720), (11545, 181904), (18472, 113690), (22738, 92360), (23090, 90952), (36944, 56845), (45476, 46180)]