31285120

素因数分解:

$2^7\times 5^1\times {\mathrm{48883}}^1$

素因数の和:48902

約数の個数: 32

約数和(自身を含む): 74792520

約数和(自身を除く): 43507400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 48883, 97766, 195532, 244415, 391064, 488830, 782128, 977660, 1564256, 1955320, 3128512, 3910640, 6257024, 7821280, 15642560, 31285120]

約数ペア:

[(1, 31285120), (2, 15642560), (4, 7821280), (5, 6257024), (8, 3910640), (10, 3128512), (16, 1955320), (20, 1564256), (32, 977660), (40, 782128), (64, 488830), (80, 391064), (128, 244415), (160, 195532), (320, 97766), (640, 48883)]