12736240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:418

約数の個数: 80

約数和(自身を含む): 33185376

約数和(自身を除く): 20449136

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 353, 410, 440, 451, 656, 706, 820, 880, 902, 1412, 1640, 1765, 1804, 2255, 2824, 3280, 3530, 3608, 3883, 4510, 5648, 7060, 7216, 7766, 9020, 14120, 14473, 15532, 18040, 19415, 28240, 28946, 31064, 36080, 38830, 57892, 62128, 72365, 77660, 115784, 144730, 155320, 159203, 231568, 289460, 310640, 318406, 578920, 636812, 796015, 1157840, 1273624, 1592030, 2547248, 3184060, 6368120, 12736240]

約数ペア:

[(1, 12736240), (2, 6368120), (4, 3184060), (5, 2547248), (8, 1592030), (10, 1273624), (11, 1157840), (16, 796015), (20, 636812), (22, 578920), (40, 318406), (41, 310640), (44, 289460), (55, 231568), (80, 159203), (82, 155320), (88, 144730), (110, 115784), (164, 77660), (176, 72365), (205, 62128), (220, 57892), (328, 38830), (353, 36080), (410, 31064), (440, 28946), (451, 28240), (656, 19415), (706, 18040), (820, 15532), (880, 14473), (902, 14120), (1412, 9020), (1640, 7766), (1765, 7216), (1804, 7060), (2255, 5648), (2824, 4510), (3280, 3883), (3530, 3608)]