138320320

素因数分解:

$2^6\times 5^1\times {\mathrm{432251}}^1$

素因数の和:432268

約数の個数: 28

約数和(自身を含む): 329376024

約数和(自身を除く): 191055704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 432251, 864502, 1729004, 2161255, 3458008, 4322510, 6916016, 8645020, 13832032, 17290040, 27664064, 34580080, 69160160, 138320320]

約数ペア:

[(1, 138320320), (2, 69160160), (4, 34580080), (5, 27664064), (8, 17290040), (10, 13832032), (16, 8645020), (20, 6916016), (32, 4322510), (40, 3458008), (64, 2161255), (80, 1729004), (160, 864502), (320, 432251)]