51734540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18089}}^1$

素因数の和:18122

約数の個数: 48

約数和(自身を含む): 127643040

約数和(自身を除く): 75908500

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 18089, 36178, 72356, 90445, 180890, 198979, 235157, 361780, 397958, 470314, 795916, 940628, 994895, 1175785, 1989790, 2351570, 2586727, 3979580, 4703140, 5173454, 10346908, 12933635, 25867270, 51734540]

約数ペア:

[(1, 51734540), (2, 25867270), (4, 12933635), (5, 10346908), (10, 5173454), (11, 4703140), (13, 3979580), (20, 2586727), (22, 2351570), (26, 1989790), (44, 1175785), (52, 994895), (55, 940628), (65, 795916), (110, 470314), (130, 397958), (143, 361780), (220, 235157), (260, 198979), (286, 180890), (572, 90445), (715, 72356), (1430, 36178), (2860, 18089)]