202500920

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{23993}}^1$

素因数の和:24215

約数の個数: 32

約数和(自身を含む): 457805520

約数和(自身を除く): 255304600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 23993, 47986, 95972, 119965, 191944, 239930, 479860, 959720, 5062523, 10125046, 20250092, 25312615, 40500184, 50625230, 101250460, 202500920]

約数ペア:

[(1, 202500920), (2, 101250460), (4, 50625230), (5, 40500184), (8, 25312615), (10, 20250092), (20, 10125046), (40, 5062523), (211, 959720), (422, 479860), (844, 239930), (1055, 191944), (1688, 119965), (2110, 95972), (4220, 47986), (8440, 23993)]