65688640

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1567}}^1$

素因数の和:1715

約数の個数: 56

約数和(自身を含む): 157715712

約数和(自身を除く): 92027072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 524, 655, 1048, 1310, 1567, 2096, 2620, 3134, 4192, 5240, 6268, 7835, 8384, 10480, 12536, 15670, 20960, 25072, 31340, 41920, 50144, 62680, 100288, 125360, 205277, 250720, 410554, 501440, 821108, 1026385, 1642216, 2052770, 3284432, 4105540, 6568864, 8211080, 13137728, 16422160, 32844320, 65688640]

約数ペア:

[(1, 65688640), (2, 32844320), (4, 16422160), (5, 13137728), (8, 8211080), (10, 6568864), (16, 4105540), (20, 3284432), (32, 2052770), (40, 1642216), (64, 1026385), (80, 821108), (131, 501440), (160, 410554), (262, 250720), (320, 205277), (524, 125360), (655, 100288), (1048, 62680), (1310, 50144), (1567, 41920), (2096, 31340), (2620, 25072), (3134, 20960), (4192, 15670), (5240, 12536), (6268, 10480), (7835, 8384)]