53219840

素因数分解:

$2^9\times 5^1\times {\mathrm{20789}}^1$

素因数の和:20812

約数の個数: 40

約数和(自身を含む): 127609020

約数和(自身を除く): 74389180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 20789, 41578, 83156, 103945, 166312, 207890, 332624, 415780, 665248, 831560, 1330496, 1663120, 2660992, 3326240, 5321984, 6652480, 10643968, 13304960, 26609920, 53219840]

約数ペア:

[(1, 53219840), (2, 26609920), (4, 13304960), (5, 10643968), (8, 6652480), (10, 5321984), (16, 3326240), (20, 2660992), (32, 1663120), (40, 1330496), (64, 831560), (80, 665248), (128, 415780), (160, 332624), (256, 207890), (320, 166312), (512, 103945), (640, 83156), (1280, 41578), (2560, 20789)]