88340720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{491}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 222923232

約数和(自身を除く): 134582512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 173, 208, 260, 346, 491, 520, 692, 865, 982, 1040, 1384, 1730, 1964, 2249, 2455, 2768, 3460, 3928, 4498, 4910, 6383, 6920, 7856, 8996, 9820, 11245, 12766, 13840, 17992, 19640, 22490, 25532, 31915, 35984, 39280, 44980, 51064, 63830, 84943, 89960, 102128, 127660, 169886, 179920, 255320, 339772, 424715, 510640, 679544, 849430, 1104259, 1359088, 1698860, 2208518, 3397720, 4417036, 5521295, 6795440, 8834072, 11042590, 17668144, 22085180, 44170360, 88340720]

約数ペア:

[(1, 88340720), (2, 44170360), (4, 22085180), (5, 17668144), (8, 11042590), (10, 8834072), (13, 6795440), (16, 5521295), (20, 4417036), (26, 3397720), (40, 2208518), (52, 1698860), (65, 1359088), (80, 1104259), (104, 849430), (130, 679544), (173, 510640), (208, 424715), (260, 339772), (346, 255320), (491, 179920), (520, 169886), (692, 127660), (865, 102128), (982, 89960), (1040, 84943), (1384, 63830), (1730, 51064), (1964, 44980), (2249, 39280), (2455, 35984), (2768, 31915), (3460, 25532), (3928, 22490), (4498, 19640), (4910, 17992), (6383, 13840), (6920, 12766), (7856, 11245), (8996, 9820)]