204153080

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{28513}}^1$

素因数の和:28703

約数の個数: 32

約数和(自身を含む): 461926800

約数和(自身を除く): 257773720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 28513, 57026, 114052, 142565, 228104, 285130, 570260, 1140520, 5103827, 10207654, 20415308, 25519135, 40830616, 51038270, 102076540, 204153080]

約数ペア:

[(1, 204153080), (2, 102076540), (4, 51038270), (5, 40830616), (8, 25519135), (10, 20415308), (20, 10207654), (40, 5103827), (179, 1140520), (358, 570260), (716, 285130), (895, 228104), (1432, 142565), (1790, 114052), (3580, 57026), (7160, 28513)]