996947440

素因数分解:

$2^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{25589}}^1$

素因数の和:26089

約数の個数: 40

約数和(自身を含む): 2322753120

約数和(自身を除く): 1325805680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487, 974, 1948, 2435, 3896, 4870, 7792, 9740, 19480, 25589, 38960, 51178, 102356, 127945, 204712, 255890, 409424, 511780, 1023560, 2047120, 12461843, 24923686, 49847372, 62309215, 99694744, 124618430, 199389488, 249236860, 498473720, 996947440]

約数ペア:

[(1, 996947440), (2, 498473720), (4, 249236860), (5, 199389488), (8, 124618430), (10, 99694744), (16, 62309215), (20, 49847372), (40, 24923686), (80, 12461843), (487, 2047120), (974, 1023560), (1948, 511780), (2435, 409424), (3896, 255890), (4870, 204712), (7792, 127945), (9740, 102356), (19480, 51178), (25589, 38960)]