12794240

素因数分解:

$2^7\times 5^1\times {\mathrm{19991}}^1$

素因数の和:20010

約数の個数: 32

約数和(自身を含む): 30587760

約数和(自身を除く): 17793520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 19991, 39982, 79964, 99955, 159928, 199910, 319856, 399820, 639712, 799640, 1279424, 1599280, 2558848, 3198560, 6397120, 12794240]

約数ペア:

[(1, 12794240), (2, 6397120), (4, 3198560), (5, 2558848), (8, 1599280), (10, 1279424), (16, 799640), (20, 639712), (32, 399820), (40, 319856), (64, 199910), (80, 159928), (128, 99955), (160, 79964), (320, 39982), (640, 19991)]