28672720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15583}}^1$

素因数の和:15619

約数の個数: 40

約数和(自身を含む): 69566976

約数和(自身を除く): 40894256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 15583, 31166, 62332, 77915, 124664, 155830, 249328, 311660, 358409, 623320, 716818, 1246640, 1433636, 1792045, 2867272, 3584090, 5734544, 7168180, 14336360, 28672720]

約数ペア:

[(1, 28672720), (2, 14336360), (4, 7168180), (5, 5734544), (8, 3584090), (10, 2867272), (16, 1792045), (20, 1433636), (23, 1246640), (40, 716818), (46, 623320), (80, 358409), (92, 311660), (115, 249328), (184, 155830), (230, 124664), (368, 77915), (460, 62332), (920, 31166), (1840, 15583)]