81754000

素因数分解:

$2^4\times 5^3\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1061

約数の個数: 80

約数和(自身を含む): 202705776

約数和(自身を除く): 120951776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 125, 164, 200, 205, 250, 328, 400, 410, 500, 656, 820, 997, 1000, 1025, 1640, 1994, 2000, 2050, 3280, 3988, 4100, 4985, 5125, 7976, 8200, 9970, 10250, 15952, 16400, 19940, 20500, 24925, 39880, 40877, 41000, 49850, 79760, 81754, 82000, 99700, 124625, 163508, 199400, 204385, 249250, 327016, 398800, 408770, 498500, 654032, 817540, 997000, 1021925, 1635080, 1994000, 2043850, 3270160, 4087700, 5109625, 8175400, 10219250, 16350800, 20438500, 40877000, 81754000]

約数ペア:

[(1, 81754000), (2, 40877000), (4, 20438500), (5, 16350800), (8, 10219250), (10, 8175400), (16, 5109625), (20, 4087700), (25, 3270160), (40, 2043850), (41, 1994000), (50, 1635080), (80, 1021925), (82, 997000), (100, 817540), (125, 654032), (164, 498500), (200, 408770), (205, 398800), (250, 327016), (328, 249250), (400, 204385), (410, 199400), (500, 163508), (656, 124625), (820, 99700), (997, 82000), (1000, 81754), (1025, 79760), (1640, 49850), (1994, 41000), (2000, 40877), (2050, 39880), (3280, 24925), (3988, 20500), (4100, 19940), (4985, 16400), (5125, 15952), (7976, 10250), (8200, 9970)]