25221968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{509}}^1$

素因数の和:699

約数の個数: 40

約数和(自身を含む): 51856800

約数和(自身を除く): 26634832

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 163, 304, 326, 509, 652, 1018, 1304, 2036, 2608, 3097, 4072, 6194, 8144, 9671, 12388, 19342, 24776, 38684, 49552, 77368, 82967, 154736, 165934, 331868, 663736, 1327472, 1576373, 3152746, 6305492, 12610984, 25221968]

約数ペア:

[(1, 25221968), (2, 12610984), (4, 6305492), (8, 3152746), (16, 1576373), (19, 1327472), (38, 663736), (76, 331868), (152, 165934), (163, 154736), (304, 82967), (326, 77368), (509, 49552), (652, 38684), (1018, 24776), (1304, 19342), (2036, 12388), (2608, 9671), (3097, 8144), (4072, 6194)]