64240480

素因数分解:

$2^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1213}}^1$

素因数の和:1559

約数の個数: 48

約数和(自身を含む): 152352144

約数和(自身を除く): 88111664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 331, 662, 1213, 1324, 1655, 2426, 2648, 3310, 4852, 5296, 6065, 6620, 9704, 10592, 12130, 13240, 19408, 24260, 26480, 38816, 48520, 52960, 97040, 194080, 401503, 803006, 1606012, 2007515, 3212024, 4015030, 6424048, 8030060, 12848096, 16060120, 32120240, 64240480]

約数ペア:

[(1, 64240480), (2, 32120240), (4, 16060120), (5, 12848096), (8, 8030060), (10, 6424048), (16, 4015030), (20, 3212024), (32, 2007515), (40, 1606012), (80, 803006), (160, 401503), (331, 194080), (662, 97040), (1213, 52960), (1324, 48520), (1655, 38816), (2426, 26480), (2648, 24260), (3310, 19408), (4852, 13240), (5296, 12130), (6065, 10592), (6620, 9704)]