1139840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 2955960

約数和(自身を除く): 1816120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 137, 160, 208, 260, 274, 320, 416, 520, 548, 640, 685, 832, 1040, 1096, 1370, 1664, 1781, 2080, 2192, 2740, 3562, 4160, 4384, 5480, 7124, 8320, 8768, 8905, 10960, 14248, 17536, 17810, 21920, 28496, 35620, 43840, 56992, 71240, 87680, 113984, 142480, 227968, 284960, 569920, 1139840]

約数ペア:

[(1, 1139840), (2, 569920), (4, 284960), (5, 227968), (8, 142480), (10, 113984), (13, 87680), (16, 71240), (20, 56992), (26, 43840), (32, 35620), (40, 28496), (52, 21920), (64, 17810), (65, 17536), (80, 14248), (104, 10960), (128, 8905), (130, 8768), (137, 8320), (160, 7124), (208, 5480), (260, 4384), (274, 4160), (320, 3562), (416, 2740), (520, 2192), (548, 2080), (640, 1781), (685, 1664), (832, 1370), (1040, 1096)]