2031320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1181}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 4680720

約数和(自身を除く): 2649400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1181, 1720, 2362, 4724, 5905, 9448, 11810, 23620, 47240, 50783, 101566, 203132, 253915, 406264, 507830, 1015660, 2031320]

約数ペア:

[(1, 2031320), (2, 1015660), (4, 507830), (5, 406264), (8, 253915), (10, 203132), (20, 101566), (40, 50783), (43, 47240), (86, 23620), (172, 11810), (215, 9448), (344, 5905), (430, 4724), (860, 2362), (1181, 1720)]