55265680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 136955520

約数和(自身を除く): 81689840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 103, 152, 190, 206, 304, 353, 380, 412, 515, 706, 760, 824, 1030, 1412, 1520, 1648, 1765, 1957, 2060, 2824, 3530, 3914, 4120, 5648, 6707, 7060, 7828, 8240, 9785, 13414, 14120, 15656, 19570, 26828, 28240, 31312, 33535, 36359, 39140, 53656, 67070, 72718, 78280, 107312, 134140, 145436, 156560, 181795, 268280, 290872, 363590, 536560, 581744, 690821, 727180, 1381642, 1454360, 2763284, 2908720, 3454105, 5526568, 6908210, 11053136, 13816420, 27632840, 55265680]

約数ペア:

[(1, 55265680), (2, 27632840), (4, 13816420), (5, 11053136), (8, 6908210), (10, 5526568), (16, 3454105), (19, 2908720), (20, 2763284), (38, 1454360), (40, 1381642), (76, 727180), (80, 690821), (95, 581744), (103, 536560), (152, 363590), (190, 290872), (206, 268280), (304, 181795), (353, 156560), (380, 145436), (412, 134140), (515, 107312), (706, 78280), (760, 72718), (824, 67070), (1030, 53656), (1412, 39140), (1520, 36359), (1648, 33535), (1765, 31312), (1957, 28240), (2060, 26828), (2824, 19570), (3530, 15656), (3914, 14120), (4120, 13414), (5648, 9785), (6707, 8240), (7060, 7828)]