27720237220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1951}}^1\times {\mathrm{54647}}^1$

素因数の和:56620

約数の個数: 48

約数和(自身を含む): 62723662848

約数和(自身を除く): 35003425628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1951, 3902, 7804, 9755, 19510, 25363, 39020, 50726, 54647, 101452, 109294, 126815, 218588, 253630, 273235, 507260, 546470, 710411, 1092940, 1420822, 2841644, 3552055, 7104110, 14208220, 106616297, 213232594, 426465188, 533081485, 1066162970, 1386011861, 2132325940, 2772023722, 5544047444, 6930059305, 13860118610, 27720237220]

約数ペア:

[(1, 27720237220), (2, 13860118610), (4, 6930059305), (5, 5544047444), (10, 2772023722), (13, 2132325940), (20, 1386011861), (26, 1066162970), (52, 533081485), (65, 426465188), (130, 213232594), (260, 106616297), (1951, 14208220), (3902, 7104110), (7804, 3552055), (9755, 2841644), (19510, 1420822), (25363, 1092940), (39020, 710411), (50726, 546470), (54647, 507260), (101452, 273235), (109294, 253630), (126815, 218588)]