22115840

素因数分解:

$2^9\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:239

約数の個数: 80

約数和(自身を含む): 54358128

約数和(自身を除く): 32242288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 163, 212, 256, 265, 320, 326, 424, 512, 530, 640, 652, 815, 848, 1060, 1280, 1304, 1630, 1696, 2120, 2560, 2608, 3260, 3392, 4240, 5216, 6520, 6784, 8480, 8639, 10432, 13040, 13568, 16960, 17278, 20864, 26080, 27136, 33920, 34556, 41728, 43195, 52160, 67840, 69112, 83456, 86390, 104320, 135680, 138224, 172780, 208640, 276448, 345560, 417280, 552896, 691120, 1105792, 1382240, 2211584, 2764480, 4423168, 5528960, 11057920, 22115840]

約数ペア:

[(1, 22115840), (2, 11057920), (4, 5528960), (5, 4423168), (8, 2764480), (10, 2211584), (16, 1382240), (20, 1105792), (32, 691120), (40, 552896), (53, 417280), (64, 345560), (80, 276448), (106, 208640), (128, 172780), (160, 138224), (163, 135680), (212, 104320), (256, 86390), (265, 83456), (320, 69112), (326, 67840), (424, 52160), (512, 43195), (530, 41728), (640, 34556), (652, 33920), (815, 27136), (848, 26080), (1060, 20864), (1280, 17278), (1304, 16960), (1630, 13568), (1696, 13040), (2120, 10432), (2560, 8639), (2608, 8480), (3260, 6784), (3392, 6520), (4240, 5216)]