15139840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{2957}}^1$

素因数の和:2982

約数の個数: 44

約数和(自身を含む): 36330156

約数和(自身を除く): 21190316

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 2957, 5120, 5914, 11828, 14785, 23656, 29570, 47312, 59140, 94624, 118280, 189248, 236560, 378496, 473120, 756992, 946240, 1513984, 1892480, 3027968, 3784960, 7569920, 15139840]

約数ペア:

[(1, 15139840), (2, 7569920), (4, 3784960), (5, 3027968), (8, 1892480), (10, 1513984), (16, 946240), (20, 756992), (32, 473120), (40, 378496), (64, 236560), (80, 189248), (128, 118280), (160, 94624), (256, 59140), (320, 47312), (512, 29570), (640, 23656), (1024, 14785), (1280, 11828), (2560, 5914), (2957, 5120)]