65767780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{571}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 149333184

約数和(自身を除く): 83565404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 443, 571, 886, 1142, 1772, 2215, 2284, 2855, 4430, 5710, 5759, 7423, 8860, 11420, 11518, 14846, 23036, 28795, 29692, 37115, 57590, 74230, 115180, 148460, 252953, 505906, 1011812, 1264765, 2529530, 3288389, 5059060, 6576778, 13153556, 16441945, 32883890, 65767780]

約数ペア:

[(1, 65767780), (2, 32883890), (4, 16441945), (5, 13153556), (10, 6576778), (13, 5059060), (20, 3288389), (26, 2529530), (52, 1264765), (65, 1011812), (130, 505906), (260, 252953), (443, 148460), (571, 115180), (886, 74230), (1142, 57590), (1772, 37115), (2215, 29692), (2284, 28795), (2855, 23036), (4430, 14846), (5710, 11518), (5759, 11420), (7423, 8860)]