40481920

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1471}}^1$

素因数の和:1533

約数の個数: 64

約数和(自身を含む): 99095040

約数和(自身を除く): 58613120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1471, 1720, 2752, 2942, 3440, 5504, 5884, 6880, 7355, 11768, 13760, 14710, 23536, 27520, 29420, 47072, 58840, 63253, 94144, 117680, 126506, 188288, 235360, 253012, 316265, 470720, 506024, 632530, 941440, 1012048, 1265060, 2024096, 2530120, 4048192, 5060240, 8096384, 10120480, 20240960, 40481920]

約数ペア:

[(1, 40481920), (2, 20240960), (4, 10120480), (5, 8096384), (8, 5060240), (10, 4048192), (16, 2530120), (20, 2024096), (32, 1265060), (40, 1012048), (43, 941440), (64, 632530), (80, 506024), (86, 470720), (128, 316265), (160, 253012), (172, 235360), (215, 188288), (320, 126506), (344, 117680), (430, 94144), (640, 63253), (688, 58840), (860, 47072), (1376, 29420), (1471, 27520), (1720, 23536), (2752, 14710), (2942, 13760), (3440, 11768), (5504, 7355), (5884, 6880)]