84393040

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9859}}^1$

素因数の和:9979

約数の個数: 40

約数和(自身を含む): 198067680

約数和(自身を除く): 113674640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 9859, 19718, 39436, 49295, 78872, 98590, 157744, 197180, 394360, 788720, 1054913, 2109826, 4219652, 5274565, 8439304, 10549130, 16878608, 21098260, 42196520, 84393040]

約数ペア:

[(1, 84393040), (2, 42196520), (4, 21098260), (5, 16878608), (8, 10549130), (10, 8439304), (16, 5274565), (20, 4219652), (40, 2109826), (80, 1054913), (107, 788720), (214, 394360), (428, 197180), (535, 157744), (856, 98590), (1070, 78872), (1712, 49295), (2140, 39436), (4280, 19718), (8560, 9859)]