55408940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3391}}^1$

素因数の和:3462

約数の個数: 48

約数和(自身を含む): 125368320

約数和(自身を除く): 69959380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 3391, 4085, 6782, 8170, 13564, 16340, 16955, 33910, 64429, 67820, 128858, 145813, 257716, 291626, 322145, 583252, 644290, 729065, 1288580, 1458130, 2770447, 2916260, 5540894, 11081788, 13852235, 27704470, 55408940]

約数ペア:

[(1, 55408940), (2, 27704470), (4, 13852235), (5, 11081788), (10, 5540894), (19, 2916260), (20, 2770447), (38, 1458130), (43, 1288580), (76, 729065), (86, 644290), (95, 583252), (172, 322145), (190, 291626), (215, 257716), (380, 145813), (430, 128858), (817, 67820), (860, 64429), (1634, 33910), (3268, 16955), (3391, 16340), (4085, 13564), (6782, 8170)]