20342852480

素因数分解:

$2^7\times 5^1\times {\mathrm{31785707}}^1$

素因数の和:31785726

約数の個数: 32

約数和(自身を含む): 48632133240

約数和(自身を除く): 28289280760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 31785707, 63571414, 127142828, 158928535, 254285656, 317857070, 508571312, 635714140, 1017142624, 1271428280, 2034285248, 2542856560, 4068570496, 5085713120, 10171426240, 20342852480]

約数ペア:

[(1, 20342852480), (2, 10171426240), (4, 5085713120), (5, 4068570496), (8, 2542856560), (10, 2034285248), (16, 1271428280), (20, 1017142624), (32, 635714140), (40, 508571312), (64, 317857070), (80, 254285656), (128, 158928535), (160, 127142828), (320, 63571414), (640, 31785707)]