42989680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12497}}^1$

素因数の和:12553

約数の個数: 40

約数和(自身を含む): 102283632

約数和(自身を除く): 59293952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 12497, 24994, 49988, 62485, 99976, 124970, 199952, 249940, 499880, 537371, 999760, 1074742, 2149484, 2686855, 4298968, 5373710, 8597936, 10747420, 21494840, 42989680]

約数ペア:

[(1, 42989680), (2, 21494840), (4, 10747420), (5, 8597936), (8, 5373710), (10, 4298968), (16, 2686855), (20, 2149484), (40, 1074742), (43, 999760), (80, 537371), (86, 499880), (172, 249940), (215, 199952), (344, 124970), (430, 99976), (688, 62485), (860, 49988), (1720, 24994), (3440, 12497)]