25641640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33739}}^1$

素因数の和:33769

約数の個数: 32

約数和(自身を含む): 60732000

約数和(自身を除く): 35090360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 33739, 67478, 134956, 168695, 269912, 337390, 641041, 674780, 1282082, 1349560, 2564164, 3205205, 5128328, 6410410, 12820820, 25641640]

約数ペア:

[(1, 25641640), (2, 12820820), (4, 6410410), (5, 5128328), (8, 3205205), (10, 2564164), (19, 1349560), (20, 1282082), (38, 674780), (40, 641041), (76, 337390), (95, 269912), (152, 168695), (190, 134956), (380, 67478), (760, 33739)]