8125280

素因数分解:

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

素因数の和:1239

約数の個数: 48

約数和(自身を含む): 19659024

約数和(自身を除く): 11533744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1181, 1376, 1720, 2362, 3440, 4724, 5905, 6880, 9448, 11810, 18896, 23620, 37792, 47240, 50783, 94480, 101566, 188960, 203132, 253915, 406264, 507830, 812528, 1015660, 1625056, 2031320, 4062640, 8125280]

約数ペア:

[(1, 8125280), (2, 4062640), (4, 2031320), (5, 1625056), (8, 1015660), (10, 812528), (16, 507830), (20, 406264), (32, 253915), (40, 203132), (43, 188960), (80, 101566), (86, 94480), (160, 50783), (172, 47240), (215, 37792), (344, 23620), (430, 18896), (688, 11810), (860, 9448), (1181, 6880), (1376, 5905), (1720, 4724), (2362, 3440)]