13281640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10711}}^1$

素因数の和:10753

約数の個数: 32

約数和(自身を含む): 30850560

約数和(自身を除く): 17568920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10711, 21422, 42844, 53555, 85688, 107110, 214220, 332041, 428440, 664082, 1328164, 1660205, 2656328, 3320410, 6640820, 13281640]

約数ペア:

[(1, 13281640), (2, 6640820), (4, 3320410), (5, 2656328), (8, 1660205), (10, 1328164), (20, 664082), (31, 428440), (40, 332041), (62, 214220), (124, 107110), (155, 85688), (248, 53555), (310, 42844), (620, 21422), (1240, 10711)]