22457720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{7691}}^1$

素因数の和:7775

約数の個数: 32

約数和(自身を含む): 51228720

約数和(自身を除く): 28771000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 7691, 15382, 30764, 38455, 61528, 76910, 153820, 307640, 561443, 1122886, 2245772, 2807215, 4491544, 5614430, 11228860, 22457720]

約数ペア:

[(1, 22457720), (2, 11228860), (4, 5614430), (5, 4491544), (8, 2807215), (10, 2245772), (20, 1122886), (40, 561443), (73, 307640), (146, 153820), (292, 76910), (365, 61528), (584, 38455), (730, 30764), (1460, 15382), (2920, 7691)]