40449583360

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1663223}}^1$

素因数の和:1663263

約数の個数: 72

約数和(自身を含む): 101988895680

約数和(自身を除く): 61539312320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 6080, 12160, 24320, 1663223, 3326446, 6652892, 8316115, 13305784, 16632230, 26611568, 31601237, 33264460, 53223136, 63202474, 66528920, 106446272, 126404948, 133057840, 158006185, 212892544, 252809896, 266115680, 316012370, 425785088, 505619792, 532231360, 632024740, 1011239584, 1064462720, 1264049480, 2022479168, 2128925440, 2528098960, 4044958336, 5056197920, 8089916672, 10112395840, 20224791680, 40449583360]

約数ペア:

[(1, 40449583360), (2, 20224791680), (4, 10112395840), (5, 8089916672), (8, 5056197920), (10, 4044958336), (16, 2528098960), (19, 2128925440), (20, 2022479168), (32, 1264049480), (38, 1064462720), (40, 1011239584), (64, 632024740), (76, 532231360), (80, 505619792), (95, 425785088), (128, 316012370), (152, 266115680), (160, 252809896), (190, 212892544), (256, 158006185), (304, 133057840), (320, 126404948), (380, 106446272), (608, 66528920), (640, 63202474), (760, 53223136), (1216, 33264460), (1280, 31601237), (1520, 26611568), (2432, 16632230), (3040, 13305784), (4864, 8316115), (6080, 6652892), (12160, 3326446), (24320, 1663223)]