84968780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1163}}^1$

素因数の和:1466

約数の個数: 48

約数和(自身を含む): 193009824

約数和(自身を除く): 108041044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 281, 562, 1124, 1163, 1405, 2326, 2810, 3653, 4652, 5620, 5815, 7306, 11630, 14612, 15119, 18265, 23260, 30238, 36530, 60476, 73060, 75595, 151190, 302380, 326803, 653606, 1307212, 1634015, 3268030, 4248439, 6536060, 8496878, 16993756, 21242195, 42484390, 84968780]

約数ペア:

[(1, 84968780), (2, 42484390), (4, 21242195), (5, 16993756), (10, 8496878), (13, 6536060), (20, 4248439), (26, 3268030), (52, 1634015), (65, 1307212), (130, 653606), (260, 326803), (281, 302380), (562, 151190), (1124, 75595), (1163, 73060), (1405, 60476), (2326, 36530), (2810, 30238), (3653, 23260), (4652, 18265), (5620, 15119), (5815, 14612), (7306, 11630)]