64365440

素因数分解:

$2^7\times 5^1\times {\mathrm{163}}^1\times {\mathrm{617}}^1$

素因数の和:799

約数の個数: 64

約数和(自身を含む): 155068560

約数和(自身を除く): 90703120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 320, 326, 617, 640, 652, 815, 1234, 1304, 1630, 2468, 2608, 3085, 3260, 4936, 5216, 6170, 6520, 9872, 10432, 12340, 13040, 19744, 20864, 24680, 26080, 39488, 49360, 52160, 78976, 98720, 100571, 104320, 197440, 201142, 394880, 402284, 502855, 804568, 1005710, 1609136, 2011420, 3218272, 4022840, 6436544, 8045680, 12873088, 16091360, 32182720, 64365440]

約数ペア:

[(1, 64365440), (2, 32182720), (4, 16091360), (5, 12873088), (8, 8045680), (10, 6436544), (16, 4022840), (20, 3218272), (32, 2011420), (40, 1609136), (64, 1005710), (80, 804568), (128, 502855), (160, 402284), (163, 394880), (320, 201142), (326, 197440), (617, 104320), (640, 100571), (652, 98720), (815, 78976), (1234, 52160), (1304, 49360), (1630, 39488), (2468, 26080), (2608, 24680), (3085, 20864), (3260, 19744), (4936, 13040), (5216, 12340), (6170, 10432), (6520, 9872)]