202350920

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{10303}}^1$

素因数の和:10805

約数の個数: 32

約数和(自身を含む): 456261120

約数和(自身を除く): 253910200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 9820, 10303, 19640, 20606, 41212, 51515, 82424, 103030, 206060, 412120, 5058773, 10117546, 20235092, 25293865, 40470184, 50587730, 101175460, 202350920]

約数ペア:

[(1, 202350920), (2, 101175460), (4, 50587730), (5, 40470184), (8, 25293865), (10, 20235092), (20, 10117546), (40, 5058773), (491, 412120), (982, 206060), (1964, 103030), (2455, 82424), (3928, 51515), (4910, 41212), (9820, 20606), (10303, 19640)]