15813440

素因数分解:

$2^6\times 5^1\times {\mathrm{49417}}^1$

素因数の和:49434

約数の個数: 28

約数和(自身を含む): 37656516

約数和(自身を除く): 21843076

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 49417, 98834, 197668, 247085, 395336, 494170, 790672, 988340, 1581344, 1976680, 3162688, 3953360, 7906720, 15813440]

約数ペア:

[(1, 15813440), (2, 7906720), (4, 3953360), (5, 3162688), (8, 1976680), (10, 1581344), (16, 988340), (20, 790672), (32, 494170), (40, 395336), (64, 247085), (80, 197668), (160, 98834), (320, 49417)]