12935260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 30436560

約数和(自身を除く): 17501300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 89, 130, 169, 172, 178, 215, 260, 338, 356, 430, 445, 559, 676, 845, 860, 890, 1118, 1157, 1690, 1780, 2236, 2314, 2795, 3380, 3827, 4628, 5590, 5785, 7267, 7654, 11180, 11570, 14534, 15041, 15308, 19135, 23140, 29068, 30082, 36335, 38270, 49751, 60164, 72670, 75205, 76540, 99502, 145340, 150410, 199004, 248755, 300820, 497510, 646763, 995020, 1293526, 2587052, 3233815, 6467630, 12935260]

約数ペア:

[(1, 12935260), (2, 6467630), (4, 3233815), (5, 2587052), (10, 1293526), (13, 995020), (20, 646763), (26, 497510), (43, 300820), (52, 248755), (65, 199004), (86, 150410), (89, 145340), (130, 99502), (169, 76540), (172, 75205), (178, 72670), (215, 60164), (260, 49751), (338, 38270), (356, 36335), (430, 30082), (445, 29068), (559, 23140), (676, 19135), (845, 15308), (860, 15041), (890, 14534), (1118, 11570), (1157, 11180), (1690, 7654), (1780, 7267), (2236, 5785), (2314, 5590), (2795, 4628), (3380, 3827)]