84787180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103399}}^1$

素因数の和:103449

約数の個数: 24

約数和(自身を含む): 182397600

約数和(自身を除く): 97610420

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 103399, 206798, 413596, 516995, 1033990, 2067980, 4239359, 8478718, 16957436, 21196795, 42393590, 84787180]

約数ペア:

[(1, 84787180), (2, 42393590), (4, 21196795), (5, 16957436), (10, 8478718), (20, 4239359), (41, 2067980), (82, 1033990), (164, 516995), (205, 413596), (410, 206798), (820, 103399)]