124231720

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{15607}}^1$

素因数の和:15817

約数の個数: 32

約数和(自身を含む): 280944000

約数和(自身を除く): 156712280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 15607, 31214, 62428, 78035, 124856, 156070, 312140, 624280, 3105793, 6211586, 12423172, 15528965, 24846344, 31057930, 62115860, 124231720]

約数ペア:

[(1, 124231720), (2, 62115860), (4, 31057930), (5, 24846344), (8, 15528965), (10, 12423172), (20, 6211586), (40, 3105793), (199, 624280), (398, 312140), (796, 156070), (995, 124856), (1592, 78035), (1990, 62428), (3980, 31214), (7960, 15607)]