40894208

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{5153}}^1$

素因数の和:5200

約数の個数: 36

約数和(自身を含む): 84278208

約数和(自身を除く): 43384000

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 5153, 7936, 10306, 20612, 41224, 82448, 159743, 164896, 319486, 329792, 638972, 659584, 1277944, 1319168, 2555888, 5111776, 10223552, 20447104, 40894208]

約数ペア:

[(1, 40894208), (2, 20447104), (4, 10223552), (8, 5111776), (16, 2555888), (31, 1319168), (32, 1277944), (62, 659584), (64, 638972), (124, 329792), (128, 319486), (248, 164896), (256, 159743), (496, 82448), (992, 41224), (1984, 20612), (3968, 10306), (5153, 7936)]