99219920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{28843}}^1$

素因数の和:28899

約数の個数: 40

約数和(自身を含む): 236059296

約数和(自身を除く): 136839376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 28843, 57686, 115372, 144215, 230744, 288430, 461488, 576860, 1153720, 1240249, 2307440, 2480498, 4960996, 6201245, 9921992, 12402490, 19843984, 24804980, 49609960, 99219920]

約数ペア:

[(1, 99219920), (2, 49609960), (4, 24804980), (5, 19843984), (8, 12402490), (10, 9921992), (16, 6201245), (20, 4960996), (40, 2480498), (43, 2307440), (80, 1240249), (86, 1153720), (172, 576860), (215, 461488), (344, 288430), (430, 230744), (688, 144215), (860, 115372), (1720, 57686), (3440, 28843)]