40549120

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 98602560

約数和(自身を除く): 58053440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 401, 632, 640, 790, 802, 1264, 1280, 1580, 1604, 2005, 2528, 3160, 3208, 4010, 5056, 6320, 6416, 8020, 10112, 12640, 12832, 16040, 20224, 25280, 25664, 31679, 32080, 50560, 51328, 63358, 64160, 101120, 102656, 126716, 128320, 158395, 253432, 256640, 316790, 506864, 513280, 633580, 1013728, 1267160, 2027456, 2534320, 4054912, 5068640, 8109824, 10137280, 20274560, 40549120]

約数ペア:

[(1, 40549120), (2, 20274560), (4, 10137280), (5, 8109824), (8, 5068640), (10, 4054912), (16, 2534320), (20, 2027456), (32, 1267160), (40, 1013728), (64, 633580), (79, 513280), (80, 506864), (128, 316790), (158, 256640), (160, 253432), (256, 158395), (316, 128320), (320, 126716), (395, 102656), (401, 101120), (632, 64160), (640, 63358), (790, 51328), (802, 50560), (1264, 32080), (1280, 31679), (1580, 25664), (1604, 25280), (2005, 20224), (2528, 16040), (3160, 12832), (3208, 12640), (4010, 10112), (5056, 8020), (6320, 6416)]