180825838640

素因数分解:

$2^4\times 5^1\times {\mathrm{2260322983}}^1$

素因数の和:2260322996

約数の個数: 20

約数和(自身を含む): 420420075024

約数和(自身を除く): 239594236384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2260322983, 4520645966, 9041291932, 11301614915, 18082583864, 22603229830, 36165167728, 45206459660, 90412919320, 180825838640]

約数ペア:

[(1, 180825838640), (2, 90412919320), (4, 45206459660), (5, 36165167728), (8, 22603229830), (10, 18082583864), (16, 11301614915), (20, 9041291932), (40, 4520645966), (80, 2260322983)]