163389680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47497}}^1$

素因数の和:47553

約数の個数: 40

約数和(自身を含む): 388723632

約数和(自身を除く): 225333952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 47497, 94994, 189988, 237485, 379976, 474970, 759952, 949940, 1899880, 2042371, 3799760, 4084742, 8169484, 10211855, 16338968, 20423710, 32677936, 40847420, 81694840, 163389680]

約数ペア:

[(1, 163389680), (2, 81694840), (4, 40847420), (5, 32677936), (8, 20423710), (10, 16338968), (16, 10211855), (20, 8169484), (40, 4084742), (43, 3799760), (80, 2042371), (86, 1899880), (172, 949940), (215, 759952), (344, 474970), (430, 379976), (688, 237485), (860, 189988), (1720, 94994), (3440, 47497)]