130758400

素因数分解:

$2^8\times 5^2\times {\mathrm{20431}}^1$

素因数の和:20457

約数の個数: 54

約数和(自身を含む): 323663312

約数和(自身を除く): 192904912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 20431, 40862, 81724, 102155, 163448, 204310, 326896, 408620, 510775, 653792, 817240, 1021550, 1307584, 1634480, 2043100, 2615168, 3268960, 4086200, 5230336, 6537920, 8172400, 13075840, 16344800, 26151680, 32689600, 65379200, 130758400]

約数ペア:

[(1, 130758400), (2, 65379200), (4, 32689600), (5, 26151680), (8, 16344800), (10, 13075840), (16, 8172400), (20, 6537920), (25, 5230336), (32, 4086200), (40, 3268960), (50, 2615168), (64, 2043100), (80, 1634480), (100, 1307584), (128, 1021550), (160, 817240), (200, 653792), (256, 510775), (320, 408620), (400, 326896), (640, 204310), (800, 163448), (1280, 102155), (1600, 81724), (3200, 40862), (6400, 20431)]