11728340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 26906880

約数和(自身を除く): 15178540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 571, 790, 1027, 1142, 1580, 2054, 2284, 2855, 4108, 5135, 5710, 7423, 10270, 11420, 14846, 20540, 29692, 37115, 45109, 74230, 90218, 148460, 180436, 225545, 451090, 586417, 902180, 1172834, 2345668, 2932085, 5864170, 11728340]

約数ペア:

[(1, 11728340), (2, 5864170), (4, 2932085), (5, 2345668), (10, 1172834), (13, 902180), (20, 586417), (26, 451090), (52, 225545), (65, 180436), (79, 148460), (130, 90218), (158, 74230), (260, 45109), (316, 37115), (395, 29692), (571, 20540), (790, 14846), (1027, 11420), (1142, 10270), (1580, 7423), (2054, 5710), (2284, 5135), (2855, 4108)]