64849040

素因数分解:

$2^4\times 5^1\times {\mathrm{743}}^1\times {\mathrm{1091}}^1$

素因数の和:1847

約数の個数: 40

約数和(自身を含む): 151115328

約数和(自身を除く): 86266288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 743, 1091, 1486, 2182, 2972, 3715, 4364, 5455, 5944, 7430, 8728, 10910, 11888, 14860, 17456, 21820, 29720, 43640, 59440, 87280, 810613, 1621226, 3242452, 4053065, 6484904, 8106130, 12969808, 16212260, 32424520, 64849040]

約数ペア:

[(1, 64849040), (2, 32424520), (4, 16212260), (5, 12969808), (8, 8106130), (10, 6484904), (16, 4053065), (20, 3242452), (40, 1621226), (80, 810613), (743, 87280), (1091, 59440), (1486, 43640), (2182, 29720), (2972, 21820), (3715, 17456), (4364, 14860), (5455, 11888), (5944, 10910), (7430, 8728)]