28847320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37957}}^1$

素因数の和:37987

約数の個数: 32

約数和(自身を含む): 68324400

約数和(自身を除く): 39477080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 37957, 75914, 151828, 189785, 303656, 379570, 721183, 759140, 1442366, 1518280, 2884732, 3605915, 5769464, 7211830, 14423660, 28847320]

約数ペア:

[(1, 28847320), (2, 14423660), (4, 7211830), (5, 5769464), (8, 3605915), (10, 2884732), (19, 1518280), (20, 1442366), (38, 759140), (40, 721183), (76, 379570), (95, 303656), (152, 189785), (190, 151828), (380, 75914), (760, 37957)]