85905920

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1459}}^1$

素因数の和:1505

約数の個数: 80

約数和(自身を含む): 215075520

約数和(自身を除く): 129169600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1280, 1459, 1472, 1840, 2560, 2918, 2944, 3680, 5836, 5888, 7295, 7360, 11672, 11776, 14590, 14720, 23344, 29180, 29440, 33557, 46688, 58360, 58880, 67114, 93376, 116720, 134228, 167785, 186752, 233440, 268456, 335570, 373504, 466880, 536912, 671140, 747008, 933760, 1073824, 1342280, 1867520, 2147648, 2684560, 3735040, 4295296, 5369120, 8590592, 10738240, 17181184, 21476480, 42952960, 85905920]

約数ペア:

[(1, 85905920), (2, 42952960), (4, 21476480), (5, 17181184), (8, 10738240), (10, 8590592), (16, 5369120), (20, 4295296), (23, 3735040), (32, 2684560), (40, 2147648), (46, 1867520), (64, 1342280), (80, 1073824), (92, 933760), (115, 747008), (128, 671140), (160, 536912), (184, 466880), (230, 373504), (256, 335570), (320, 268456), (368, 233440), (460, 186752), (512, 167785), (640, 134228), (736, 116720), (920, 93376), (1280, 67114), (1459, 58880), (1472, 58360), (1840, 46688), (2560, 33557), (2918, 29440), (2944, 29180), (3680, 23344), (5836, 14720), (5888, 14590), (7295, 11776), (7360, 11672)]