42418840

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^2\times {\mathrm{199}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 97254000

約数和(自身を除く): 54835160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 199, 292, 365, 398, 584, 730, 796, 995, 1460, 1592, 1990, 2920, 3980, 5329, 7960, 10658, 14527, 21316, 26645, 29054, 42632, 53290, 58108, 72635, 106580, 116216, 145270, 213160, 290540, 581080, 1060471, 2120942, 4241884, 5302355, 8483768, 10604710, 21209420, 42418840]

約数ペア:

[(1, 42418840), (2, 21209420), (4, 10604710), (5, 8483768), (8, 5302355), (10, 4241884), (20, 2120942), (40, 1060471), (73, 581080), (146, 290540), (199, 213160), (292, 145270), (365, 116216), (398, 106580), (584, 72635), (730, 58108), (796, 53290), (995, 42632), (1460, 29054), (1592, 26645), (1990, 21316), (2920, 14527), (3980, 10658), (5329, 7960)]