1276820486500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{196433921}}^1$

素因数の和:196433953

約数の個数: 48

約数和(自身を含む): 3003081799536

約数和(自身を除く): 1726261313036

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 196433921, 392867842, 785735684, 982169605, 1964339210, 2553640973, 3928678420, 4910848025, 5107281946, 9821696050, 10214563892, 12768204865, 19643392100, 24554240125, 25536409730, 49108480250, 51072819460, 63841024325, 98216960500, 127682048650, 255364097300, 319205121625, 638410243250, 1276820486500]

約数ペア:

[(1, 1276820486500), (2, 638410243250), (4, 319205121625), (5, 255364097300), (10, 127682048650), (13, 98216960500), (20, 63841024325), (25, 51072819460), (26, 49108480250), (50, 25536409730), (52, 24554240125), (65, 19643392100), (100, 12768204865), (125, 10214563892), (130, 9821696050), (250, 5107281946), (260, 4910848025), (325, 3928678420), (500, 2553640973), (650, 1964339210), (1300, 982169605), (1625, 785735684), (3250, 392867842), (6500, 196433921)]