84915920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25889}}^1$

素因数の和:25943

約数の個数: 40

約数和(自身を含む): 202252680

約数和(自身を除く): 117336760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 25889, 51778, 103556, 129445, 207112, 258890, 414224, 517780, 1035560, 1061449, 2071120, 2122898, 4245796, 5307245, 8491592, 10614490, 16983184, 21228980, 42457960, 84915920]

約数ペア:

[(1, 84915920), (2, 42457960), (4, 21228980), (5, 16983184), (8, 10614490), (10, 8491592), (16, 5307245), (20, 4245796), (40, 2122898), (41, 2071120), (80, 1061449), (82, 1035560), (164, 517780), (205, 414224), (328, 258890), (410, 207112), (656, 129445), (820, 103556), (1640, 51778), (3280, 25889)]