56141620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 128120832

約数和(自身を除く): 71979212

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 127, 155, 230, 254, 310, 460, 508, 620, 635, 713, 961, 1270, 1426, 1922, 2540, 2852, 2921, 3565, 3844, 3937, 4805, 5842, 7130, 7874, 9610, 11684, 14260, 14605, 15748, 19220, 19685, 22103, 29210, 39370, 44206, 58420, 78740, 88412, 90551, 110515, 122047, 181102, 221030, 244094, 362204, 442060, 452755, 488188, 610235, 905510, 1220470, 1811020, 2440940, 2807081, 5614162, 11228324, 14035405, 28070810, 56141620]

約数ペア:

[(1, 56141620), (2, 28070810), (4, 14035405), (5, 11228324), (10, 5614162), (20, 2807081), (23, 2440940), (31, 1811020), (46, 1220470), (62, 905510), (92, 610235), (115, 488188), (124, 452755), (127, 442060), (155, 362204), (230, 244094), (254, 221030), (310, 181102), (460, 122047), (508, 110515), (620, 90551), (635, 88412), (713, 78740), (961, 58420), (1270, 44206), (1426, 39370), (1922, 29210), (2540, 22103), (2852, 19685), (2921, 19220), (3565, 15748), (3844, 14605), (3937, 14260), (4805, 11684), (5842, 9610), (7130, 7874)]