42605440

素因数分解:

$2^7\times 5^1\times {\mathrm{66571}}^1$

素因数の和:66590

約数の個数: 32

約数和(自身を含む): 101855160

約数和(自身を除く): 59249720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 66571, 133142, 266284, 332855, 532568, 665710, 1065136, 1331420, 2130272, 2662840, 4260544, 5325680, 8521088, 10651360, 21302720, 42605440]

約数ペア:

[(1, 42605440), (2, 21302720), (4, 10651360), (5, 8521088), (8, 5325680), (10, 4260544), (16, 2662840), (20, 2130272), (32, 1331420), (40, 1065136), (64, 665710), (80, 532568), (128, 332855), (160, 266284), (320, 133142), (640, 66571)]