11778260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 26989200

約数和(自身を除く): 15210940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 509, 890, 1018, 1157, 1780, 2036, 2314, 2545, 4628, 5090, 5785, 6617, 10180, 11570, 13234, 23140, 26468, 33085, 45301, 66170, 90602, 132340, 181204, 226505, 453010, 588913, 906020, 1177826, 2355652, 2944565, 5889130, 11778260]

約数ペア:

[(1, 11778260), (2, 5889130), (4, 2944565), (5, 2355652), (10, 1177826), (13, 906020), (20, 588913), (26, 453010), (52, 226505), (65, 181204), (89, 132340), (130, 90602), (178, 66170), (260, 45301), (356, 33085), (445, 26468), (509, 23140), (890, 13234), (1018, 11570), (1157, 10180), (1780, 6617), (2036, 5785), (2314, 5090), (2545, 4628)]