9689432860

素因数分解:

$2^2\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{242357}}^1$

素因数の和:244365

約数の個数: 24

約数和(自身を含む): 20358072000

約数和(自身を除く): 10668639140

約数列:

[1, 2, 4, 5, 10, 20, 1999, 3998, 7996, 9995, 19990, 39980, 242357, 484714, 969428, 1211785, 2423570, 4847140, 484471643, 968943286, 1937886572, 2422358215, 4844716430, 9689432860]

約数ペア:

[(1, 9689432860), (2, 4844716430), (4, 2422358215), (5, 1937886572), (10, 968943286), (20, 484471643), (1999, 4847140), (3998, 2423570), (7996, 1211785), (9995, 969428), (19990, 484714), (39980, 242357)]