49657640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{293}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 118540800

約数和(自身を除く): 68883160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 223, 293, 380, 446, 586, 760, 892, 1115, 1172, 1465, 1784, 2230, 2344, 2930, 4237, 4460, 5567, 5860, 8474, 8920, 11134, 11720, 16948, 21185, 22268, 27835, 33896, 42370, 44536, 55670, 65339, 84740, 111340, 130678, 169480, 222680, 261356, 326695, 522712, 653390, 1241441, 1306780, 2482882, 2613560, 4965764, 6207205, 9931528, 12414410, 24828820, 49657640]

約数ペア:

[(1, 49657640), (2, 24828820), (4, 12414410), (5, 9931528), (8, 6207205), (10, 4965764), (19, 2613560), (20, 2482882), (38, 1306780), (40, 1241441), (76, 653390), (95, 522712), (152, 326695), (190, 261356), (223, 222680), (293, 169480), (380, 130678), (446, 111340), (586, 84740), (760, 65339), (892, 55670), (1115, 44536), (1172, 42370), (1465, 33896), (1784, 27835), (2230, 22268), (2344, 21185), (2930, 16948), (4237, 11720), (4460, 11134), (5567, 8920), (5860, 8474)]