77977960

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{8089}}^1$

素因数の和:8341

約数の個数: 32

約数和(自身を含む): 176200200

約数和(自身を除く): 98222240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 8089, 9640, 16178, 32356, 40445, 64712, 80890, 161780, 323560, 1949449, 3898898, 7797796, 9747245, 15595592, 19494490, 38988980, 77977960]

約数ペア:

[(1, 77977960), (2, 38988980), (4, 19494490), (5, 15595592), (8, 9747245), (10, 7797796), (20, 3898898), (40, 1949449), (241, 323560), (482, 161780), (964, 80890), (1205, 64712), (1928, 40445), (2410, 32356), (4820, 16178), (8089, 9640)]