102780460

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{47147}}^1$

素因数の和:47265

約数の個数: 24

約数和(自身を含む): 217823760

約数和(自身を除く): 115043300

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 47147, 94294, 188588, 235735, 471470, 942940, 5139023, 10278046, 20556092, 25695115, 51390230, 102780460]

約数ペア:

[(1, 102780460), (2, 51390230), (4, 25695115), (5, 20556092), (10, 10278046), (20, 5139023), (109, 942940), (218, 471470), (436, 235735), (545, 188588), (1090, 94294), (2180, 47147)]