87297920

素因数分解:

$2^7\times 5^1\times {\mathrm{136403}}^1$

素因数の和:136422

約数の個数: 32

約数和(自身を含む): 208698120

約数和(自身を除く): 121400200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 136403, 272806, 545612, 682015, 1091224, 1364030, 2182448, 2728060, 4364896, 5456120, 8729792, 10912240, 17459584, 21824480, 43648960, 87297920]

約数ペア:

[(1, 87297920), (2, 43648960), (4, 21824480), (5, 17459584), (8, 10912240), (10, 8729792), (16, 5456120), (20, 4364896), (32, 2728060), (40, 2182448), (64, 1364030), (80, 1091224), (128, 682015), (160, 545612), (320, 272806), (640, 136403)]