31025360

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 76602240

約数和(自身を除く): 45576880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 43, 58, 80, 86, 116, 145, 172, 215, 232, 290, 311, 344, 430, 464, 580, 622, 688, 860, 1160, 1244, 1247, 1555, 1720, 2320, 2488, 2494, 3110, 3440, 4976, 4988, 6220, 6235, 9019, 9976, 12440, 12470, 13373, 18038, 19952, 24880, 24940, 26746, 36076, 45095, 49880, 53492, 66865, 72152, 90190, 99760, 106984, 133730, 144304, 180380, 213968, 267460, 360760, 387817, 534920, 721520, 775634, 1069840, 1551268, 1939085, 3102536, 3878170, 6205072, 7756340, 15512680, 31025360]

約数ペア:

[(1, 31025360), (2, 15512680), (4, 7756340), (5, 6205072), (8, 3878170), (10, 3102536), (16, 1939085), (20, 1551268), (29, 1069840), (40, 775634), (43, 721520), (58, 534920), (80, 387817), (86, 360760), (116, 267460), (145, 213968), (172, 180380), (215, 144304), (232, 133730), (290, 106984), (311, 99760), (344, 90190), (430, 72152), (464, 66865), (580, 53492), (622, 49880), (688, 45095), (860, 36076), (1160, 26746), (1244, 24940), (1247, 24880), (1555, 19952), (1720, 18038), (2320, 13373), (2488, 12470), (2494, 12440), (3110, 9976), (3440, 9019), (4976, 6235), (4988, 6220)]