2080893320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{127819}}^1$

素因数の和:127878

約数の個数: 64

約数和(自身を含む): 5245732800

約数和(自身を除く): 3164839480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 8140, 16280, 127819, 255638, 511276, 639095, 1022552, 1278190, 1406009, 2556380, 2812018, 4729303, 5112760, 5624036, 7030045, 9458606, 11248072, 14060090, 18917212, 23646515, 28120180, 37834424, 47293030, 52022333, 56240360, 94586060, 104044666, 189172120, 208089332, 260111665, 416178664, 520223330, 1040446660, 2080893320]

約数ペア:

[(1, 2080893320), (2, 1040446660), (4, 520223330), (5, 416178664), (8, 260111665), (10, 208089332), (11, 189172120), (20, 104044666), (22, 94586060), (37, 56240360), (40, 52022333), (44, 47293030), (55, 37834424), (74, 28120180), (88, 23646515), (110, 18917212), (148, 14060090), (185, 11248072), (220, 9458606), (296, 7030045), (370, 5624036), (407, 5112760), (440, 4729303), (740, 2812018), (814, 2556380), (1480, 1406009), (1628, 1278190), (2035, 1022552), (3256, 639095), (4070, 511276), (8140, 255638), (16280, 127819)]