38909440

素因数分解:

$2^9\times 5^1\times {\mathrm{15199}}^1$

素因数の和:15222

約数の個数: 40

約数和(自身を含む): 93297600

約数和(自身を除く): 54388160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 15199, 30398, 60796, 75995, 121592, 151990, 243184, 303980, 486368, 607960, 972736, 1215920, 1945472, 2431840, 3890944, 4863680, 7781888, 9727360, 19454720, 38909440]

約数ペア:

[(1, 38909440), (2, 19454720), (4, 9727360), (5, 7781888), (8, 4863680), (10, 3890944), (16, 2431840), (20, 1945472), (32, 1215920), (40, 972736), (64, 607960), (80, 486368), (128, 303980), (160, 243184), (256, 151990), (320, 121592), (512, 75995), (640, 60796), (1280, 30398), (2560, 15199)]