64468640

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2251}}^1$

素因数の和:2445

約数の個数: 48

約数和(自身を含む): 153226080

約数和(自身を除く): 88757440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 716, 895, 1432, 1790, 2251, 2864, 3580, 4502, 5728, 7160, 9004, 11255, 14320, 18008, 22510, 28640, 36016, 45020, 72032, 90040, 180080, 360160, 402929, 805858, 1611716, 2014645, 3223432, 4029290, 6446864, 8058580, 12893728, 16117160, 32234320, 64468640]

約数ペア:

[(1, 64468640), (2, 32234320), (4, 16117160), (5, 12893728), (8, 8058580), (10, 6446864), (16, 4029290), (20, 3223432), (32, 2014645), (40, 1611716), (80, 805858), (160, 402929), (179, 360160), (358, 180080), (716, 90040), (895, 72032), (1432, 45020), (1790, 36016), (2251, 28640), (2864, 22510), (3580, 18008), (4502, 14320), (5728, 11255), (7160, 9004)]