64063940

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 137434752

約数和(自身を除く): 73370812

約数列:

[1, 2, 4, 5, 10, 20, 103, 137, 206, 227, 274, 412, 454, 515, 548, 685, 908, 1030, 1135, 1370, 2060, 2270, 2740, 4540, 14111, 23381, 28222, 31099, 46762, 56444, 62198, 70555, 93524, 116905, 124396, 141110, 155495, 233810, 282220, 310990, 467620, 621980, 3203197, 6406394, 12812788, 16015985, 32031970, 64063940]

約数ペア:

[(1, 64063940), (2, 32031970), (4, 16015985), (5, 12812788), (10, 6406394), (20, 3203197), (103, 621980), (137, 467620), (206, 310990), (227, 282220), (274, 233810), (412, 155495), (454, 141110), (515, 124396), (548, 116905), (685, 93524), (908, 70555), (1030, 62198), (1135, 56444), (1370, 46762), (2060, 31099), (2270, 28222), (2740, 23381), (4540, 14111)]