71388792040

素因数分解:

$2^3\times 5^1\times {\mathrm{1784719801}}^1$

素因数の和:1784719812

約数の個数: 16

約数和(自身を含む): 160624782180

約数和(自身を除く): 89235990140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1784719801, 3569439602, 7138879204, 8923599005, 14277758408, 17847198010, 35694396020, 71388792040]

約数ペア:

[(1, 71388792040), (2, 35694396020), (4, 17847198010), (5, 14277758408), (8, 8923599005), (10, 7138879204), (20, 3569439602), (40, 1784719801)]