25677664

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 53751600

約数和(自身を除く): 28073936

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 157, 269, 304, 314, 538, 608, 628, 1076, 1256, 2152, 2512, 2983, 4304, 5024, 5111, 5966, 8608, 10222, 11932, 20444, 23864, 40888, 42233, 47728, 81776, 84466, 95456, 163552, 168932, 337864, 675728, 802427, 1351456, 1604854, 3209708, 6419416, 12838832, 25677664]

約数ペア:

[(1, 25677664), (2, 12838832), (4, 6419416), (8, 3209708), (16, 1604854), (19, 1351456), (32, 802427), (38, 675728), (76, 337864), (152, 168932), (157, 163552), (269, 95456), (304, 84466), (314, 81776), (538, 47728), (608, 42233), (628, 40888), (1076, 23864), (1256, 20444), (2152, 11932), (2512, 10222), (2983, 8608), (4304, 5966), (5024, 5111)]