33642940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 72576000

約数和(自身を除く): 38933060

約数列:

[1, 2, 4, 5, 10, 20, 79, 107, 158, 199, 214, 316, 395, 398, 428, 535, 790, 796, 995, 1070, 1580, 1990, 2140, 3980, 8453, 15721, 16906, 21293, 31442, 33812, 42265, 42586, 62884, 78605, 84530, 85172, 106465, 157210, 169060, 212930, 314420, 425860, 1682147, 3364294, 6728588, 8410735, 16821470, 33642940]

約数ペア:

[(1, 33642940), (2, 16821470), (4, 8410735), (5, 6728588), (10, 3364294), (20, 1682147), (79, 425860), (107, 314420), (158, 212930), (199, 169060), (214, 157210), (316, 106465), (395, 85172), (398, 84530), (428, 78605), (535, 62884), (790, 42586), (796, 42265), (995, 33812), (1070, 31442), (1580, 21293), (1990, 16906), (2140, 15721), (3980, 8453)]