42457960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25889}}^1$

素因数の和:25941

約数の個数: 32

約数和(自身を含む): 97864200

約数和(自身を除く): 55406240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 25889, 51778, 103556, 129445, 207112, 258890, 517780, 1035560, 1061449, 2122898, 4245796, 5307245, 8491592, 10614490, 21228980, 42457960]

約数ペア:

[(1, 42457960), (2, 21228980), (4, 10614490), (5, 8491592), (8, 5307245), (10, 4245796), (20, 2122898), (40, 1061449), (41, 1035560), (82, 517780), (164, 258890), (205, 207112), (328, 129445), (410, 103556), (820, 51778), (1640, 25889)]