40448416

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{937}}^1$

素因数の和:1037

約数の個数: 48

約数和(自身を含む): 85095360

約数和(自身を除く): 44646944

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 71, 76, 142, 152, 284, 304, 568, 608, 937, 1136, 1349, 1874, 2272, 2698, 3748, 5396, 7496, 10792, 14992, 17803, 21584, 29984, 35606, 43168, 66527, 71212, 133054, 142424, 266108, 284848, 532216, 569696, 1064432, 1264013, 2128864, 2528026, 5056052, 10112104, 20224208, 40448416]

約数ペア:

[(1, 40448416), (2, 20224208), (4, 10112104), (8, 5056052), (16, 2528026), (19, 2128864), (32, 1264013), (38, 1064432), (71, 569696), (76, 532216), (142, 284848), (152, 266108), (284, 142424), (304, 133054), (568, 71212), (608, 66527), (937, 43168), (1136, 35606), (1349, 29984), (1874, 21584), (2272, 17803), (2698, 14992), (3748, 10792), (5396, 7496)]