2912956840

素因数分解:

$2^3\times 5^1\times {\mathrm{72823921}}^1$

素因数の和:72823932

約数の個数: 16

約数和(自身を含む): 6554152980

約数和(自身を除く): 3641196140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 72823921, 145647842, 291295684, 364119605, 582591368, 728239210, 1456478420, 2912956840]

約数ペア:

[(1, 2912956840), (2, 1456478420), (4, 728239210), (5, 582591368), (8, 364119605), (10, 291295684), (20, 145647842), (40, 72823921)]