66915040

素因数分解:

$2^5\times 5^1\times {\mathrm{418219}}^1$

素因数の和:418234

約数の個数: 24

約数和(自身を含む): 158087160

約数和(自身を除く): 91172120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 418219, 836438, 1672876, 2091095, 3345752, 4182190, 6691504, 8364380, 13383008, 16728760, 33457520, 66915040]

約数ペア:

[(1, 66915040), (2, 33457520), (4, 16728760), (5, 13383008), (8, 8364380), (10, 6691504), (16, 4182190), (20, 3345752), (32, 2091095), (40, 1672876), (80, 836438), (160, 418219)]