1871720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 4275720

約数和(自身を除く): 2404000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 641, 730, 1282, 1460, 2564, 2920, 3205, 5128, 6410, 12820, 25640, 46793, 93586, 187172, 233965, 374344, 467930, 935860, 1871720]

約数ペア:

[(1, 1871720), (2, 935860), (4, 467930), (5, 374344), (8, 233965), (10, 187172), (20, 93586), (40, 46793), (73, 25640), (146, 12820), (292, 6410), (365, 5128), (584, 3205), (641, 2920), (730, 2564), (1282, 1460)]