51659440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3181}}^1$

素因数の和:3230

約数の個数: 80

約数和(自身を含む): 142044480

約数和(自身を除く): 90385040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3181, 3248, 4060, 6362, 8120, 12724, 15905, 16240, 22267, 25448, 31810, 44534, 50896, 63620, 89068, 92249, 111335, 127240, 178136, 184498, 222670, 254480, 356272, 368996, 445340, 461245, 645743, 737992, 890680, 922490, 1291486, 1475984, 1781360, 1844980, 2582972, 3228715, 3689960, 5165944, 6457430, 7379920, 10331888, 12914860, 25829720, 51659440]

約数ペア:

[(1, 51659440), (2, 25829720), (4, 12914860), (5, 10331888), (7, 7379920), (8, 6457430), (10, 5165944), (14, 3689960), (16, 3228715), (20, 2582972), (28, 1844980), (29, 1781360), (35, 1475984), (40, 1291486), (56, 922490), (58, 890680), (70, 737992), (80, 645743), (112, 461245), (116, 445340), (140, 368996), (145, 356272), (203, 254480), (232, 222670), (280, 184498), (290, 178136), (406, 127240), (464, 111335), (560, 92249), (580, 89068), (812, 63620), (1015, 50896), (1160, 44534), (1624, 31810), (2030, 25448), (2320, 22267), (3181, 16240), (3248, 15905), (4060, 12724), (6362, 8120)]