7422440

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1913}}^1$

素因数の和:2021

約数の個数: 32

約数和(自身を含む): 16881480

約数和(自身を除く): 9459040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1913, 1940, 3826, 3880, 7652, 9565, 15304, 19130, 38260, 76520, 185561, 371122, 742244, 927805, 1484488, 1855610, 3711220, 7422440]

約数ペア:

[(1, 7422440), (2, 3711220), (4, 1855610), (5, 1484488), (8, 927805), (10, 742244), (20, 371122), (40, 185561), (97, 76520), (194, 38260), (388, 19130), (485, 15304), (776, 9565), (970, 7652), (1913, 3880), (1940, 3826)]