202321640

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{38611}}^1$

素因数の和:38753

約数の個数: 32

約数和(自身を含む): 458710560

約数和(自身を除く): 256388920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 38611, 77222, 154444, 193055, 308888, 386110, 772220, 1544440, 5058041, 10116082, 20232164, 25290205, 40464328, 50580410, 101160820, 202321640]

約数ペア:

[(1, 202321640), (2, 101160820), (4, 50580410), (5, 40464328), (8, 25290205), (10, 20232164), (20, 10116082), (40, 5058041), (131, 1544440), (262, 772220), (524, 386110), (655, 308888), (1048, 193055), (1310, 154444), (2620, 77222), (5240, 38611)]