251138560

素因数分解:

$2^9\times 5^1\times {\mathrm{98101}}^1$

素因数の和:98124

約数の個数: 40

約数和(自身を含む): 602150076

約数和(自身を除く): 351011516

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 98101, 196202, 392404, 490505, 784808, 981010, 1569616, 1962020, 3139232, 3924040, 6278464, 7848080, 12556928, 15696160, 25113856, 31392320, 50227712, 62784640, 125569280, 251138560]

約数ペア:

[(1, 251138560), (2, 125569280), (4, 62784640), (5, 50227712), (8, 31392320), (10, 25113856), (16, 15696160), (20, 12556928), (32, 7848080), (40, 6278464), (64, 3924040), (80, 3139232), (128, 1962020), (160, 1569616), (256, 981010), (320, 784808), (512, 490505), (640, 392404), (1280, 196202), (2560, 98101)]