77680180

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{4801}}^1$

素因数の和:5619

約数の個数: 24

約数和(自身を含む): 163364040

約数和(自身を除く): 85683860

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 4801, 8090, 9602, 16180, 19204, 24005, 48010, 96020, 3884009, 7768018, 15536036, 19420045, 38840090, 77680180]

約数ペア:

[(1, 77680180), (2, 38840090), (4, 19420045), (5, 15536036), (10, 7768018), (20, 3884009), (809, 96020), (1618, 48010), (3236, 24005), (4045, 19204), (4801, 16180), (8090, 9602)]