1966100157080

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{450940403}}^1$

素因数の和:450940523

約数の個数: 32

約数和(自身を含む): 4464309999600

約数和(自身を除く): 2498209842520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 450940403, 901880806, 1803761612, 2254702015, 3607523224, 4509404030, 9018808060, 18037616120, 49152503927, 98305007854, 196610015708, 245762519635, 393220031416, 491525039270, 983050078540, 1966100157080]

約数ペア:

[(1, 1966100157080), (2, 983050078540), (4, 491525039270), (5, 393220031416), (8, 245762519635), (10, 196610015708), (20, 98305007854), (40, 49152503927), (109, 18037616120), (218, 9018808060), (436, 4509404030), (545, 3607523224), (872, 2254702015), (1090, 1803761612), (2180, 901880806), (4360, 450940403)]