1256551720

素因数分解:

$2^3\times 5^1\times {\mathrm{1163}}^1\times {\mathrm{27011}}^1$

素因数の和:28185

約数の個数: 32

約数和(自身を含む): 2829777120

約数和(自身を除く): 1573225400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1163, 2326, 4652, 5815, 9304, 11630, 23260, 27011, 46520, 54022, 108044, 135055, 216088, 270110, 540220, 1080440, 31413793, 62827586, 125655172, 157068965, 251310344, 314137930, 628275860, 1256551720]

約数ペア:

[(1, 1256551720), (2, 628275860), (4, 314137930), (5, 251310344), (8, 157068965), (10, 125655172), (20, 62827586), (40, 31413793), (1163, 1080440), (2326, 540220), (4652, 270110), (5815, 216088), (9304, 135055), (11630, 108044), (23260, 54022), (27011, 46520)]