78664000

素因数分解:

$2^6\times 5^3\times {\mathrm{9833}}^1$

素因数の和:9860

約数の個数: 56

約数和(自身を含む): 194831208

約数和(自身を除く): 116167208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 8000, 9833, 19666, 39332, 49165, 78664, 98330, 157328, 196660, 245825, 314656, 393320, 491650, 629312, 786640, 983300, 1229125, 1573280, 1966600, 2458250, 3146560, 3933200, 4916500, 7866400, 9833000, 15732800, 19666000, 39332000, 78664000]

約数ペア:

[(1, 78664000), (2, 39332000), (4, 19666000), (5, 15732800), (8, 9833000), (10, 7866400), (16, 4916500), (20, 3933200), (25, 3146560), (32, 2458250), (40, 1966600), (50, 1573280), (64, 1229125), (80, 983300), (100, 786640), (125, 629312), (160, 491650), (200, 393320), (250, 314656), (320, 245825), (400, 196660), (500, 157328), (800, 98330), (1000, 78664), (1600, 49165), (2000, 39332), (4000, 19666), (8000, 9833)]