102980720

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{3889}}^1$

素因数の和:4233

約数の個数: 40

約数和(自身を含む): 240215280

約数和(自身を除く): 137234560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2648, 3310, 3889, 5296, 6620, 7778, 13240, 15556, 19445, 26480, 31112, 38890, 62224, 77780, 155560, 311120, 1287259, 2574518, 5149036, 6436295, 10298072, 12872590, 20596144, 25745180, 51490360, 102980720]

約数ペア:

[(1, 102980720), (2, 51490360), (4, 25745180), (5, 20596144), (8, 12872590), (10, 10298072), (16, 6436295), (20, 5149036), (40, 2574518), (80, 1287259), (331, 311120), (662, 155560), (1324, 77780), (1655, 62224), (2648, 38890), (3310, 31112), (3889, 26480), (5296, 19445), (6620, 15556), (7778, 13240)]