204304880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6337}}^1$

素因数の和:6394

約数の個数: 80

約数和(自身を含む): 528132864

約数和(自身を除く): 323827984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6337, 6448, 8060, 12674, 16120, 25348, 31685, 32240, 50696, 63370, 82381, 101392, 126740, 164762, 196447, 253480, 329524, 392894, 411905, 506960, 659048, 785788, 823810, 982235, 1318096, 1571576, 1647620, 1964470, 2553811, 3143152, 3295240, 3928940, 5107622, 6590480, 7857880, 10215244, 12769055, 15715760, 20430488, 25538110, 40860976, 51076220, 102152440, 204304880]

約数ペア:

[(1, 204304880), (2, 102152440), (4, 51076220), (5, 40860976), (8, 25538110), (10, 20430488), (13, 15715760), (16, 12769055), (20, 10215244), (26, 7857880), (31, 6590480), (40, 5107622), (52, 3928940), (62, 3295240), (65, 3143152), (80, 2553811), (104, 1964470), (124, 1647620), (130, 1571576), (155, 1318096), (208, 982235), (248, 823810), (260, 785788), (310, 659048), (403, 506960), (496, 411905), (520, 392894), (620, 329524), (806, 253480), (1040, 196447), (1240, 164762), (1612, 126740), (2015, 101392), (2480, 82381), (3224, 63370), (4030, 50696), (6337, 32240), (6448, 31685), (8060, 25348), (12674, 16120)]