51426280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1031}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 122601600

約数和(自身を除く): 71175320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 58, 86, 116, 145, 172, 215, 232, 290, 344, 430, 580, 860, 1031, 1160, 1247, 1720, 2062, 2494, 4124, 4988, 5155, 6235, 8248, 9976, 10310, 12470, 20620, 24940, 29899, 41240, 44333, 49880, 59798, 88666, 119596, 149495, 177332, 221665, 239192, 298990, 354664, 443330, 597980, 886660, 1195960, 1285657, 1773320, 2571314, 5142628, 6428285, 10285256, 12856570, 25713140, 51426280]

約数ペア:

[(1, 51426280), (2, 25713140), (4, 12856570), (5, 10285256), (8, 6428285), (10, 5142628), (20, 2571314), (29, 1773320), (40, 1285657), (43, 1195960), (58, 886660), (86, 597980), (116, 443330), (145, 354664), (172, 298990), (215, 239192), (232, 221665), (290, 177332), (344, 149495), (430, 119596), (580, 88666), (860, 59798), (1031, 49880), (1160, 44333), (1247, 41240), (1720, 29899), (2062, 24940), (2494, 20620), (4124, 12470), (4988, 10310), (5155, 9976), (6235, 8248)]