8728040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 20995200

約数和(自身を除く): 12267160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 92, 106, 115, 179, 184, 212, 230, 265, 358, 424, 460, 530, 716, 895, 920, 1060, 1219, 1432, 1790, 2120, 2438, 3580, 4117, 4876, 6095, 7160, 8234, 9487, 9752, 12190, 16468, 18974, 20585, 24380, 32936, 37948, 41170, 47435, 48760, 75896, 82340, 94870, 164680, 189740, 218201, 379480, 436402, 872804, 1091005, 1745608, 2182010, 4364020, 8728040]

約数ペア:

[(1, 8728040), (2, 4364020), (4, 2182010), (5, 1745608), (8, 1091005), (10, 872804), (20, 436402), (23, 379480), (40, 218201), (46, 189740), (53, 164680), (92, 94870), (106, 82340), (115, 75896), (179, 48760), (184, 47435), (212, 41170), (230, 37948), (265, 32936), (358, 24380), (424, 20585), (460, 18974), (530, 16468), (716, 12190), (895, 9752), (920, 9487), (1060, 8234), (1219, 7160), (1432, 6095), (1790, 4876), (2120, 4117), (2438, 3580)]