28992920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{503}}^1$

素因数の和:656

約数の個数: 64

約数和(自身を含む): 71850240

約数和(自身を除く): 42857320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 131, 220, 262, 440, 503, 524, 655, 1006, 1048, 1310, 1441, 2012, 2515, 2620, 2882, 4024, 5030, 5240, 5533, 5764, 7205, 10060, 11066, 11528, 14410, 20120, 22132, 27665, 28820, 44264, 55330, 57640, 65893, 110660, 131786, 221320, 263572, 329465, 527144, 658930, 724823, 1317860, 1449646, 2635720, 2899292, 3624115, 5798584, 7248230, 14496460, 28992920]

約数ペア:

[(1, 28992920), (2, 14496460), (4, 7248230), (5, 5798584), (8, 3624115), (10, 2899292), (11, 2635720), (20, 1449646), (22, 1317860), (40, 724823), (44, 658930), (55, 527144), (88, 329465), (110, 263572), (131, 221320), (220, 131786), (262, 110660), (440, 65893), (503, 57640), (524, 55330), (655, 44264), (1006, 28820), (1048, 27665), (1310, 22132), (1441, 20120), (2012, 14410), (2515, 11528), (2620, 11066), (2882, 10060), (4024, 7205), (5030, 5764), (5240, 5533)]