2693392720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{782963}}^1$

素因数の和:783019

約数の個数: 40

約数和(自身を含む): 6407777376

約数和(自身を除く): 3714384656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 782963, 1565926, 3131852, 3914815, 6263704, 7829630, 12527408, 15659260, 31318520, 33667409, 62637040, 67334818, 134669636, 168337045, 269339272, 336674090, 538678544, 673348180, 1346696360, 2693392720]

約数ペア:

[(1, 2693392720), (2, 1346696360), (4, 673348180), (5, 538678544), (8, 336674090), (10, 269339272), (16, 168337045), (20, 134669636), (40, 67334818), (43, 62637040), (80, 33667409), (86, 31318520), (172, 15659260), (215, 12527408), (344, 7829630), (430, 6263704), (688, 3914815), (860, 3131852), (1720, 1565926), (3440, 782963)]