19730560

素因数分解:

$2^7\times 5^1\times {\mathrm{30829}}^1$

素因数の和:30848

約数の個数: 32

約数和(自身を含む): 47169900

約数和(自身を除く): 27439340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 30829, 61658, 123316, 154145, 246632, 308290, 493264, 616580, 986528, 1233160, 1973056, 2466320, 3946112, 4932640, 9865280, 19730560]

約数ペア:

[(1, 19730560), (2, 9865280), (4, 4932640), (5, 3946112), (8, 2466320), (10, 1973056), (16, 1233160), (20, 986528), (32, 616580), (40, 493264), (64, 308290), (80, 246632), (128, 154145), (160, 123316), (320, 61658), (640, 30829)]