50289920

素因数分解:

$2^8\times 5^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 121965480

約数和(自身を除く): 71675560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 320, 389, 404, 505, 640, 778, 808, 1010, 1280, 1556, 1616, 1945, 2020, 3112, 3232, 3890, 4040, 6224, 6464, 7780, 8080, 12448, 12928, 15560, 16160, 24896, 25856, 31120, 32320, 39289, 49792, 62240, 64640, 78578, 99584, 124480, 129280, 157156, 196445, 248960, 314312, 392890, 497920, 628624, 785780, 1257248, 1571560, 2514496, 3143120, 5028992, 6286240, 10057984, 12572480, 25144960, 50289920]

約数ペア:

[(1, 50289920), (2, 25144960), (4, 12572480), (5, 10057984), (8, 6286240), (10, 5028992), (16, 3143120), (20, 2514496), (32, 1571560), (40, 1257248), (64, 785780), (80, 628624), (101, 497920), (128, 392890), (160, 314312), (202, 248960), (256, 196445), (320, 157156), (389, 129280), (404, 124480), (505, 99584), (640, 78578), (778, 64640), (808, 62240), (1010, 49792), (1280, 39289), (1556, 32320), (1616, 31120), (1945, 25856), (2020, 24896), (3112, 16160), (3232, 15560), (3890, 12928), (4040, 12448), (6224, 8080), (6464, 7780)]