28706240

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{823}}^1$

素因数の和:949

約数の個数: 56

約数和(自身を含む): 69067680

約数和(自身を除く): 40361440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 823, 872, 1090, 1646, 1744, 2180, 3292, 3488, 4115, 4360, 6584, 6976, 8230, 8720, 13168, 16460, 17440, 26336, 32920, 34880, 52672, 65840, 89707, 131680, 179414, 263360, 358828, 448535, 717656, 897070, 1435312, 1794140, 2870624, 3588280, 5741248, 7176560, 14353120, 28706240]

約数ペア:

[(1, 28706240), (2, 14353120), (4, 7176560), (5, 5741248), (8, 3588280), (10, 2870624), (16, 1794140), (20, 1435312), (32, 897070), (40, 717656), (64, 448535), (80, 358828), (109, 263360), (160, 179414), (218, 131680), (320, 89707), (436, 65840), (545, 52672), (823, 34880), (872, 32920), (1090, 26336), (1646, 17440), (1744, 16460), (2180, 13168), (3292, 8720), (3488, 8230), (4115, 6976), (4360, 6584)]