385205120

素因数分解:

$2^7\times 5^1\times {\mathrm{601883}}^1$

素因数の和:601902

約数の個数: 32

約数和(自身を含む): 920882520

約数和(自身を除く): 535677400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 601883, 1203766, 2407532, 3009415, 4815064, 6018830, 9630128, 12037660, 19260256, 24075320, 38520512, 48150640, 77041024, 96301280, 192602560, 385205120]

約数ペア:

[(1, 385205120), (2, 192602560), (4, 96301280), (5, 77041024), (8, 48150640), (10, 38520512), (16, 24075320), (20, 19260256), (32, 12037660), (40, 9630128), (64, 6018830), (80, 4815064), (128, 3009415), (160, 2407532), (320, 1203766), (640, 601883)]