1296291264920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{790421503}}^1$

素因数の和:790421555

約数の個数: 32

約数和(自身を含む): 2987793285120

約数和(自身を除く): 1691502020200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 790421503, 1580843006, 3161686012, 3952107515, 6323372024, 7904215030, 15808430060, 31616860120, 32407281623, 64814563246, 129629126492, 162036408115, 259258252984, 324072816230, 648145632460, 1296291264920]

約数ペア:

[(1, 1296291264920), (2, 648145632460), (4, 324072816230), (5, 259258252984), (8, 162036408115), (10, 129629126492), (20, 64814563246), (40, 32407281623), (41, 31616860120), (82, 15808430060), (164, 7904215030), (205, 6323372024), (328, 3952107515), (410, 3161686012), (820, 1580843006), (1640, 790421503)]