25657280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 112

約数和(自身を含む): 68799456

約数和(自身を除く): 43142176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 64, 74, 80, 88, 110, 148, 160, 176, 185, 197, 220, 296, 320, 352, 370, 394, 407, 440, 592, 704, 740, 788, 814, 880, 985, 1184, 1480, 1576, 1628, 1760, 1970, 2035, 2167, 2368, 2960, 3152, 3256, 3520, 3940, 4070, 4334, 5920, 6304, 6512, 7289, 7880, 8140, 8668, 10835, 11840, 12608, 13024, 14578, 15760, 16280, 17336, 21670, 26048, 29156, 31520, 32560, 34672, 36445, 43340, 58312, 63040, 65120, 69344, 72890, 80179, 86680, 116624, 130240, 138688, 145780, 160358, 173360, 233248, 291560, 320716, 346720, 400895, 466496, 583120, 641432, 693440, 801790, 1166240, 1282864, 1603580, 2332480, 2565728, 3207160, 5131456, 6414320, 12828640, 25657280]

約数ペア:

[(1, 25657280), (2, 12828640), (4, 6414320), (5, 5131456), (8, 3207160), (10, 2565728), (11, 2332480), (16, 1603580), (20, 1282864), (22, 1166240), (32, 801790), (37, 693440), (40, 641432), (44, 583120), (55, 466496), (64, 400895), (74, 346720), (80, 320716), (88, 291560), (110, 233248), (148, 173360), (160, 160358), (176, 145780), (185, 138688), (197, 130240), (220, 116624), (296, 86680), (320, 80179), (352, 72890), (370, 69344), (394, 65120), (407, 63040), (440, 58312), (592, 43340), (704, 36445), (740, 34672), (788, 32560), (814, 31520), (880, 29156), (985, 26048), (1184, 21670), (1480, 17336), (1576, 16280), (1628, 15760), (1760, 14578), (1970, 13024), (2035, 12608), (2167, 11840), (2368, 10835), (2960, 8668), (3152, 8140), (3256, 7880), (3520, 7289), (3940, 6512), (4070, 6304), (4334, 5920)]