89868640

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6311}}^1$

素因数の和:6415

約数の個数: 48

約数和(自身を含む): 214734240

約数和(自身を除く): 124865600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 6311, 7120, 12622, 14240, 25244, 31555, 50488, 63110, 100976, 126220, 201952, 252440, 504880, 561679, 1009760, 1123358, 2246716, 2808395, 4493432, 5616790, 8986864, 11233580, 17973728, 22467160, 44934320, 89868640]

約数ペア:

[(1, 89868640), (2, 44934320), (4, 22467160), (5, 17973728), (8, 11233580), (10, 8986864), (16, 5616790), (20, 4493432), (32, 2808395), (40, 2246716), (80, 1123358), (89, 1009760), (160, 561679), (178, 504880), (356, 252440), (445, 201952), (712, 126220), (890, 100976), (1424, 63110), (1780, 50488), (2848, 31555), (3560, 25244), (6311, 14240), (7120, 12622)]