25149808

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 50086080

約数和(自身を除く): 24936272

約数列:

[1, 2, 4, 8, 16, 79, 101, 158, 197, 202, 316, 394, 404, 632, 788, 808, 1264, 1576, 1616, 3152, 7979, 15563, 15958, 19897, 31126, 31916, 39794, 62252, 63832, 79588, 124504, 127664, 159176, 249008, 318352, 1571863, 3143726, 6287452, 12574904, 25149808]

約数ペア:

[(1, 25149808), (2, 12574904), (4, 6287452), (8, 3143726), (16, 1571863), (79, 318352), (101, 249008), (158, 159176), (197, 127664), (202, 124504), (316, 79588), (394, 63832), (404, 62252), (632, 39794), (788, 31916), (808, 31126), (1264, 19897), (1576, 15958), (1616, 15563), (3152, 7979)]