89619640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{577}}^1$

素因数の和:952

約数の個数: 64

約数和(自身を含む): 220980960

約数和(自身を除く): 131361320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 353, 440, 577, 706, 1154, 1412, 1765, 2308, 2824, 2885, 3530, 3883, 4616, 5770, 6347, 7060, 7766, 11540, 12694, 14120, 15532, 19415, 23080, 25388, 31064, 31735, 38830, 50776, 63470, 77660, 126940, 155320, 203681, 253880, 407362, 814724, 1018405, 1629448, 2036810, 2240491, 4073620, 4480982, 8147240, 8961964, 11202455, 17923928, 22404910, 44809820, 89619640]

約数ペア:

[(1, 89619640), (2, 44809820), (4, 22404910), (5, 17923928), (8, 11202455), (10, 8961964), (11, 8147240), (20, 4480982), (22, 4073620), (40, 2240491), (44, 2036810), (55, 1629448), (88, 1018405), (110, 814724), (220, 407362), (353, 253880), (440, 203681), (577, 155320), (706, 126940), (1154, 77660), (1412, 63470), (1765, 50776), (2308, 38830), (2824, 31735), (2885, 31064), (3530, 25388), (3883, 23080), (4616, 19415), (5770, 15532), (6347, 14120), (7060, 12694), (7766, 11540)]