42459440

素因数分解:

$2^4\times 5^1\times {\mathrm{530743}}^1$

素因数の和:530756

約数の個数: 20

約数和(自身を含む): 98718384

約数和(自身を除く): 56258944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 530743, 1061486, 2122972, 2653715, 4245944, 5307430, 8491888, 10614860, 21229720, 42459440]

約数ペア:

[(1, 42459440), (2, 21229720), (4, 10614860), (5, 8491888), (8, 5307430), (10, 4245944), (16, 2653715), (20, 2122972), (40, 1061486), (80, 530743)]