16804569560

素因数分解:

$2^3\times 5^1\times {\mathrm{420114239}}^1$

素因数の和:420114250

約数の個数: 16

約数和(自身を含む): 37810281600

約数和(自身を除く): 21005712040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 420114239, 840228478, 1680456956, 2100571195, 3360913912, 4201142390, 8402284780, 16804569560]

約数ペア:

[(1, 16804569560), (2, 8402284780), (4, 4201142390), (5, 3360913912), (8, 2100571195), (10, 1680456956), (20, 840228478), (40, 420114239)]