89393720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{487}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 217667520

約数和(自身を除く): 128273800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 353, 487, 520, 706, 974, 1412, 1765, 1948, 2435, 2824, 3530, 3896, 4589, 4870, 6331, 7060, 9178, 9740, 12662, 14120, 18356, 19480, 22945, 25324, 31655, 36712, 45890, 50648, 63310, 91780, 126620, 171911, 183560, 253240, 343822, 687644, 859555, 1375288, 1719110, 2234843, 3438220, 4469686, 6876440, 8939372, 11174215, 17878744, 22348430, 44696860, 89393720]

約数ペア:

[(1, 89393720), (2, 44696860), (4, 22348430), (5, 17878744), (8, 11174215), (10, 8939372), (13, 6876440), (20, 4469686), (26, 3438220), (40, 2234843), (52, 1719110), (65, 1375288), (104, 859555), (130, 687644), (260, 343822), (353, 253240), (487, 183560), (520, 171911), (706, 126620), (974, 91780), (1412, 63310), (1765, 50648), (1948, 45890), (2435, 36712), (2824, 31655), (3530, 25324), (3896, 22945), (4589, 19480), (4870, 18356), (6331, 14120), (7060, 12662), (9178, 9740)]