16019720

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{647}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 36158400

約数和(自身を除く): 20138680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 647, 1238, 1294, 2476, 2588, 3095, 3235, 4952, 5176, 6190, 6470, 12380, 12940, 24760, 25880, 400493, 800986, 1601972, 2002465, 3203944, 4004930, 8009860, 16019720]

約数ペア:

[(1, 16019720), (2, 8009860), (4, 4004930), (5, 3203944), (8, 2002465), (10, 1601972), (20, 800986), (40, 400493), (619, 25880), (647, 24760), (1238, 12940), (1294, 12380), (2476, 6470), (2588, 6190), (3095, 5176), (3235, 4952)]