77883320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{45281}}^1$

素因数の和:45335

約数の個数: 32

約数和(自身を含む): 179316720

約数和(自身を除く): 101433400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 45281, 90562, 181124, 226405, 362248, 452810, 905620, 1811240, 1947083, 3894166, 7788332, 9735415, 15576664, 19470830, 38941660, 77883320]

約数ペア:

[(1, 77883320), (2, 38941660), (4, 19470830), (5, 15576664), (8, 9735415), (10, 7788332), (20, 3894166), (40, 1947083), (43, 1811240), (86, 905620), (172, 452810), (215, 362248), (344, 226405), (430, 181124), (860, 90562), (1720, 45281)]