23556520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 57834000

約数和(自身を除く): 34277480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 356, 445, 509, 520, 712, 890, 1018, 1157, 1780, 2036, 2314, 2545, 3560, 4072, 4628, 5090, 5785, 6617, 9256, 10180, 11570, 13234, 20360, 23140, 26468, 33085, 45301, 46280, 52936, 66170, 90602, 132340, 181204, 226505, 264680, 362408, 453010, 588913, 906020, 1177826, 1812040, 2355652, 2944565, 4711304, 5889130, 11778260, 23556520]

約数ペア:

[(1, 23556520), (2, 11778260), (4, 5889130), (5, 4711304), (8, 2944565), (10, 2355652), (13, 1812040), (20, 1177826), (26, 906020), (40, 588913), (52, 453010), (65, 362408), (89, 264680), (104, 226505), (130, 181204), (178, 132340), (260, 90602), (356, 66170), (445, 52936), (509, 46280), (520, 45301), (712, 33085), (890, 26468), (1018, 23140), (1157, 20360), (1780, 13234), (2036, 11570), (2314, 10180), (2545, 9256), (3560, 6617), (4072, 5785), (4628, 5090)]