387728560

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{36997}}^1$

素因数の和:37141

約数の個数: 40

約数和(自身を含む): 908374896

約数和(自身を除く): 520646336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 36997, 73994, 147988, 184985, 295976, 369970, 591952, 739940, 1479880, 2959760, 4846607, 9693214, 19386428, 24233035, 38772856, 48466070, 77545712, 96932140, 193864280, 387728560]

約数ペア:

[(1, 387728560), (2, 193864280), (4, 96932140), (5, 77545712), (8, 48466070), (10, 38772856), (16, 24233035), (20, 19386428), (40, 9693214), (80, 4846607), (131, 2959760), (262, 1479880), (524, 739940), (655, 591952), (1048, 369970), (1310, 295976), (2096, 184985), (2620, 147988), (5240, 73994), (10480, 36997)]