40538368

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{937}}^1$

素因数の和:979

約数の個数: 54

約数和(自身を含む): 87715194

約数和(自身を除く): 47176826

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 676, 832, 937, 1352, 1664, 1874, 2704, 3328, 3748, 5408, 7496, 10816, 12181, 14992, 21632, 24362, 29984, 43264, 48724, 59968, 97448, 119936, 158353, 194896, 239872, 316706, 389792, 633412, 779584, 1266824, 1559168, 2533648, 3118336, 5067296, 10134592, 20269184, 40538368]

約数ペア:

[(1, 40538368), (2, 20269184), (4, 10134592), (8, 5067296), (13, 3118336), (16, 2533648), (26, 1559168), (32, 1266824), (52, 779584), (64, 633412), (104, 389792), (128, 316706), (169, 239872), (208, 194896), (256, 158353), (338, 119936), (416, 97448), (676, 59968), (832, 48724), (937, 43264), (1352, 29984), (1664, 24362), (1874, 21632), (2704, 14992), (3328, 12181), (3748, 10816), (5408, 7496)]