133172720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{38713}}^1$

素因数の和:38769

約数の個数: 40

約数和(自身を含む): 316835376

約数和(自身を除く): 183662656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 38713, 77426, 154852, 193565, 309704, 387130, 619408, 774260, 1548520, 1664659, 3097040, 3329318, 6658636, 8323295, 13317272, 16646590, 26634544, 33293180, 66586360, 133172720]

約数ペア:

[(1, 133172720), (2, 66586360), (4, 33293180), (5, 26634544), (8, 16646590), (10, 13317272), (16, 8323295), (20, 6658636), (40, 3329318), (43, 3097040), (80, 1664659), (86, 1548520), (172, 774260), (215, 619408), (344, 387130), (430, 309704), (688, 193565), (860, 154852), (1720, 77426), (3440, 38713)]