28693880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31189}}^1$

素因数の和:31223

約数の個数: 32

約数和(自身を含む): 67370400

約数和(自身を除く): 38676520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 31189, 62378, 124756, 155945, 249512, 311890, 623780, 717347, 1247560, 1434694, 2869388, 3586735, 5738776, 7173470, 14346940, 28693880]

約数ペア:

[(1, 28693880), (2, 14346940), (4, 7173470), (5, 5738776), (8, 3586735), (10, 2869388), (20, 1434694), (23, 1247560), (40, 717347), (46, 623780), (92, 311890), (115, 249512), (184, 155945), (230, 124756), (460, 62378), (920, 31189)]