974780920

素因数分解:

$2^3\times 5^1\times {\mathrm{1523}}^1\times {\mathrm{16001}}^1$

素因数の和:17535

約数の個数: 32

約数和(自身を含む): 2194834320

約数和(自身を除く): 1220053400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1523, 3046, 6092, 7615, 12184, 15230, 16001, 30460, 32002, 60920, 64004, 80005, 128008, 160010, 320020, 640040, 24369523, 48739046, 97478092, 121847615, 194956184, 243695230, 487390460, 974780920]

約数ペア:

[(1, 974780920), (2, 487390460), (4, 243695230), (5, 194956184), (8, 121847615), (10, 97478092), (20, 48739046), (40, 24369523), (1523, 640040), (3046, 320020), (6092, 160010), (7615, 128008), (12184, 80005), (15230, 64004), (16001, 60920), (30460, 32002)]