29904520

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2909}}^1$

素因数の和:3177

約数の個数: 32

約数和(自身を含む): 67570200

約数和(自身を除く): 37665680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 2909, 5140, 5818, 10280, 11636, 14545, 23272, 29090, 58180, 116360, 747613, 1495226, 2990452, 3738065, 5980904, 7476130, 14952260, 29904520]

約数ペア:

[(1, 29904520), (2, 14952260), (4, 7476130), (5, 5980904), (8, 3738065), (10, 2990452), (20, 1495226), (40, 747613), (257, 116360), (514, 58180), (1028, 29090), (1285, 23272), (2056, 14545), (2570, 11636), (2909, 10280), (5140, 5818)]