725087240

素因数分解:

$2^3\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{12703}}^1$

素因数の和:14141

約数の個数: 32

約数和(自身を含む): 1632718080

約数和(自身を除く): 907630840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1427, 2854, 5708, 7135, 11416, 12703, 14270, 25406, 28540, 50812, 57080, 63515, 101624, 127030, 254060, 508120, 18127181, 36254362, 72508724, 90635905, 145017448, 181271810, 362543620, 725087240]

約数ペア:

[(1, 725087240), (2, 362543620), (4, 181271810), (5, 145017448), (8, 90635905), (10, 72508724), (20, 36254362), (40, 18127181), (1427, 508120), (2854, 254060), (5708, 127030), (7135, 101624), (11416, 63515), (12703, 57080), (14270, 50812), (25406, 28540)]