12171640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 29937600

約数和(自身を除く): 17765960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 263, 356, 445, 520, 526, 712, 890, 1052, 1157, 1315, 1780, 2104, 2314, 2630, 3419, 3560, 4628, 5260, 5785, 6838, 9256, 10520, 11570, 13676, 17095, 23140, 23407, 27352, 34190, 46280, 46814, 68380, 93628, 117035, 136760, 187256, 234070, 304291, 468140, 608582, 936280, 1217164, 1521455, 2434328, 3042910, 6085820, 12171640]

約数ペア:

[(1, 12171640), (2, 6085820), (4, 3042910), (5, 2434328), (8, 1521455), (10, 1217164), (13, 936280), (20, 608582), (26, 468140), (40, 304291), (52, 234070), (65, 187256), (89, 136760), (104, 117035), (130, 93628), (178, 68380), (260, 46814), (263, 46280), (356, 34190), (445, 27352), (520, 23407), (526, 23140), (712, 17095), (890, 13676), (1052, 11570), (1157, 10520), (1315, 9256), (1780, 6838), (2104, 5785), (2314, 5260), (2630, 4628), (3419, 3560)]