40884080

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6469}}^1$

素因数の和:6561

約数の個数: 40

約数和(自身を含む): 96273600

約数和(自身を除く): 55389520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 6469, 12938, 25876, 32345, 51752, 64690, 103504, 129380, 258760, 511051, 517520, 1022102, 2044204, 2555255, 4088408, 5110510, 8176816, 10221020, 20442040, 40884080]

約数ペア:

[(1, 40884080), (2, 20442040), (4, 10221020), (5, 8176816), (8, 5110510), (10, 4088408), (16, 2555255), (20, 2044204), (40, 1022102), (79, 517520), (80, 511051), (158, 258760), (316, 129380), (395, 103504), (632, 64690), (790, 51752), (1264, 32345), (1580, 25876), (3160, 12938), (6320, 6469)]