76678520

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{7459}}^1$

素因数の和:7727

約数の個数: 32

約数和(自身を含む): 173221200

約数和(自身を除く): 96542680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 7459, 10280, 14918, 29836, 37295, 59672, 74590, 149180, 298360, 1916963, 3833926, 7667852, 9584815, 15335704, 19169630, 38339260, 76678520]

約数ペア:

[(1, 76678520), (2, 38339260), (4, 19169630), (5, 15335704), (8, 9584815), (10, 7667852), (20, 3833926), (40, 1916963), (257, 298360), (514, 149180), (1028, 74590), (1285, 59672), (2056, 37295), (2570, 29836), (5140, 14918), (7459, 10280)]