52161640

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1997}}^1$

素因数の和:2661

約数の個数: 32

約数和(自身を含む): 117602280

約数和(自身を除く): 65440640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 1997, 2612, 3265, 3994, 5224, 6530, 7988, 9985, 13060, 15976, 19970, 26120, 39940, 79880, 1304041, 2608082, 5216164, 6520205, 10432328, 13040410, 26080820, 52161640]

約数ペア:

[(1, 52161640), (2, 26080820), (4, 13040410), (5, 10432328), (8, 6520205), (10, 5216164), (20, 2608082), (40, 1304041), (653, 79880), (1306, 39940), (1997, 26120), (2612, 19970), (3265, 15976), (3994, 13060), (5224, 9985), (6530, 7988)]