9915800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1153}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 23610840

約数和(自身を除く): 13695040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1153, 1720, 2150, 2306, 4300, 4612, 5765, 8600, 9224, 11530, 23060, 28825, 46120, 49579, 57650, 99158, 115300, 198316, 230600, 247895, 396632, 495790, 991580, 1239475, 1983160, 2478950, 4957900, 9915800]

約数ペア:

[(1, 9915800), (2, 4957900), (4, 2478950), (5, 1983160), (8, 1239475), (10, 991580), (20, 495790), (25, 396632), (40, 247895), (43, 230600), (50, 198316), (86, 115300), (100, 99158), (172, 57650), (200, 49579), (215, 46120), (344, 28825), (430, 23060), (860, 11530), (1075, 9224), (1153, 8600), (1720, 5765), (2150, 4612), (2306, 4300)]