1020440

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 2328480

約数和(自身を除く): 1308040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 263, 388, 485, 526, 776, 970, 1052, 1315, 1940, 2104, 2630, 3880, 5260, 10520, 25511, 51022, 102044, 127555, 204088, 255110, 510220, 1020440]

約数ペア:

[(1, 1020440), (2, 510220), (4, 255110), (5, 204088), (8, 127555), (10, 102044), (20, 51022), (40, 25511), (97, 10520), (194, 5260), (263, 3880), (388, 2630), (485, 2104), (526, 1940), (776, 1315), (970, 1052)]