53117720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{18191}}^1$

素因数の和:18275

約数の個数: 32

約数和(自身を含む): 121158720

約数和(自身を除く): 68041000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 18191, 36382, 72764, 90955, 145528, 181910, 363820, 727640, 1327943, 2655886, 5311772, 6639715, 10623544, 13279430, 26558860, 53117720]

約数ペア:

[(1, 53117720), (2, 26558860), (4, 13279430), (5, 10623544), (8, 6639715), (10, 5311772), (20, 2655886), (40, 1327943), (73, 727640), (146, 363820), (292, 181910), (365, 145528), (584, 90955), (730, 72764), (1460, 36382), (2920, 18191)]