1992937720

素因数分解:

$2^3\times 5^1\times {\mathrm{13397}}^1\times {\mathrm{3719}}^1$

素因数の和:17127

約数の個数: 32

約数和(自身を含む): 4485650400

約数和(自身を除く): 2492712680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3719, 7438, 13397, 14876, 18595, 26794, 29752, 37190, 53588, 66985, 74380, 107176, 133970, 148760, 267940, 535880, 49823443, 99646886, 199293772, 249117215, 398587544, 498234430, 996468860, 1992937720]

約数ペア:

[(1, 1992937720), (2, 996468860), (4, 498234430), (5, 398587544), (8, 249117215), (10, 199293772), (20, 99646886), (40, 49823443), (3719, 535880), (7438, 267940), (13397, 148760), (14876, 133970), (18595, 107176), (26794, 74380), (29752, 66985), (37190, 53588)]