42154880

素因数分解:

$2^7\times 5^1\times {\mathrm{65867}}^1$

素因数の和:65886

約数の個数: 32

約数和(自身を含む): 100778040

約数和(自身を除く): 58623160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 65867, 131734, 263468, 329335, 526936, 658670, 1053872, 1317340, 2107744, 2634680, 4215488, 5269360, 8430976, 10538720, 21077440, 42154880]

約数ペア:

[(1, 42154880), (2, 21077440), (4, 10538720), (5, 8430976), (8, 5269360), (10, 4215488), (16, 2634680), (20, 2107744), (32, 1317340), (40, 1053872), (64, 658670), (80, 526936), (128, 329335), (160, 263468), (320, 131734), (640, 65867)]