4081040

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:519

約数の個数: 40

約数和(自身を含む): 9582720

約数和(自身を除く): 5501680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 367, 556, 695, 734, 1112, 1390, 1468, 1835, 2224, 2780, 2936, 3670, 5560, 5872, 7340, 11120, 14680, 29360, 51013, 102026, 204052, 255065, 408104, 510130, 816208, 1020260, 2040520, 4081040]

約数ペア:

[(1, 4081040), (2, 2040520), (4, 1020260), (5, 816208), (8, 510130), (10, 408104), (16, 255065), (20, 204052), (40, 102026), (80, 51013), (139, 29360), (278, 14680), (367, 11120), (556, 7340), (695, 5872), (734, 5560), (1112, 3670), (1390, 2936), (1468, 2780), (1835, 2224)]