64610920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{146843}}^1$

素因数の和:146865

約数の個数: 32

約数和(自身を含む): 158591520

約数和(自身を除く): 93980600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 146843, 293686, 587372, 734215, 1174744, 1468430, 1615273, 2936860, 3230546, 5873720, 6461092, 8076365, 12922184, 16152730, 32305460, 64610920]

約数ペア:

[(1, 64610920), (2, 32305460), (4, 16152730), (5, 12922184), (8, 8076365), (10, 6461092), (11, 5873720), (20, 3230546), (22, 2936860), (40, 1615273), (44, 1468430), (55, 1174744), (88, 734215), (110, 587372), (220, 293686), (440, 146843)]