77754560

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18691}}^1$

素因数の和:18721

約数の個数: 56

約数和(自身を含む): 199406256

約数和(自身を除く): 121651696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 18691, 37382, 74764, 93455, 149528, 186910, 242983, 299056, 373820, 485966, 598112, 747640, 971932, 1196224, 1214915, 1495280, 1943864, 2429830, 2990560, 3887728, 4859660, 5981120, 7775456, 9719320, 15550912, 19438640, 38877280, 77754560]

約数ペア:

[(1, 77754560), (2, 38877280), (4, 19438640), (5, 15550912), (8, 9719320), (10, 7775456), (13, 5981120), (16, 4859660), (20, 3887728), (26, 2990560), (32, 2429830), (40, 1943864), (52, 1495280), (64, 1214915), (65, 1196224), (80, 971932), (104, 747640), (130, 598112), (160, 485966), (208, 373820), (260, 299056), (320, 242983), (416, 186910), (520, 149528), (832, 93455), (1040, 74764), (2080, 37382), (4160, 18691)]