18037120

素因数分解:

$2^7\times 5^1\times {\mathrm{28183}}^1$

素因数の和:28202

約数の個数: 32

約数和(自身を含む): 43121520

約数和(自身を除く): 25084400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28183, 56366, 112732, 140915, 225464, 281830, 450928, 563660, 901856, 1127320, 1803712, 2254640, 3607424, 4509280, 9018560, 18037120]

約数ペア:

[(1, 18037120), (2, 9018560), (4, 4509280), (5, 3607424), (8, 2254640), (10, 1803712), (16, 1127320), (20, 901856), (32, 563660), (40, 450928), (64, 281830), (80, 225464), (128, 140915), (160, 112732), (320, 56366), (640, 28183)]