1617993040

素因数分解:

$2^4\times 5^1\times {\mathrm{941}}^1\times {\mathrm{21493}}^1$

素因数の和:22447

約数の個数: 40

約数和(自身を含む): 3766006728

約数和(自身を除く): 2148013688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 941, 1882, 3764, 4705, 7528, 9410, 15056, 18820, 21493, 37640, 42986, 75280, 85972, 107465, 171944, 214930, 343888, 429860, 859720, 1719440, 20224913, 40449826, 80899652, 101124565, 161799304, 202249130, 323598608, 404498260, 808996520, 1617993040]

約数ペア:

[(1, 1617993040), (2, 808996520), (4, 404498260), (5, 323598608), (8, 202249130), (10, 161799304), (16, 101124565), (20, 80899652), (40, 40449826), (80, 20224913), (941, 1719440), (1882, 859720), (3764, 429860), (4705, 343888), (7528, 214930), (9410, 171944), (15056, 107465), (18820, 85972), (21493, 75280), (37640, 42986)]