1293670520

素因数分解:

$2^3\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{24821}}^1$

素因数の和:26135

約数の個数: 32

約数和(自身を含む): 2913109920

約数和(自身を除く): 1619439400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1303, 2606, 5212, 6515, 10424, 13030, 24821, 26060, 49642, 52120, 99284, 124105, 198568, 248210, 496420, 992840, 32341763, 64683526, 129367052, 161708815, 258734104, 323417630, 646835260, 1293670520]

約数ペア:

[(1, 1293670520), (2, 646835260), (4, 323417630), (5, 258734104), (8, 161708815), (10, 129367052), (20, 64683526), (40, 32341763), (1303, 992840), (2606, 496420), (5212, 248210), (6515, 198568), (10424, 124105), (13030, 99284), (24821, 52120), (26060, 49642)]