40420840

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{4337}}^1$

素因数の和:4581

約数の個数: 32

約数和(自身を含む): 91358280

約数和(自身を除く): 50937440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2330, 4337, 4660, 8674, 9320, 17348, 21685, 34696, 43370, 86740, 173480, 1010521, 2021042, 4042084, 5052605, 8084168, 10105210, 20210420, 40420840]

約数ペア:

[(1, 40420840), (2, 20210420), (4, 10105210), (5, 8084168), (8, 5052605), (10, 4042084), (20, 2021042), (40, 1010521), (233, 173480), (466, 86740), (932, 43370), (1165, 34696), (1864, 21685), (2330, 17348), (4337, 9320), (4660, 8674)]