135514880

素因数分解:

$2^8\times 5^1\times {\mathrm{105871}}^1$

素因数の和:105892

約数の個数: 36

約数和(自身を含む): 324603552

約数和(自身を除く): 189088672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 105871, 211742, 423484, 529355, 846968, 1058710, 1693936, 2117420, 3387872, 4234840, 6775744, 8469680, 13551488, 16939360, 27102976, 33878720, 67757440, 135514880]

約数ペア:

[(1, 135514880), (2, 67757440), (4, 33878720), (5, 27102976), (8, 16939360), (10, 13551488), (16, 8469680), (20, 6775744), (32, 4234840), (40, 3387872), (64, 2117420), (80, 1693936), (128, 1058710), (160, 846968), (256, 529355), (320, 423484), (640, 211742), (1280, 105871)]