38976560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 107801136

約数和(自身を除く): 68824576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 61, 70, 80, 98, 112, 122, 140, 163, 196, 244, 245, 280, 305, 326, 392, 427, 488, 490, 560, 610, 652, 784, 815, 854, 976, 980, 1141, 1220, 1304, 1630, 1708, 1960, 2135, 2282, 2440, 2608, 2989, 3260, 3416, 3920, 4270, 4564, 4880, 5705, 5978, 6520, 6832, 7987, 8540, 9128, 9943, 11410, 11956, 13040, 14945, 15974, 17080, 18256, 19886, 22820, 23912, 29890, 31948, 34160, 39772, 39935, 45640, 47824, 49715, 59780, 63896, 69601, 79544, 79870, 91280, 99430, 119560, 127792, 139202, 159088, 159740, 198860, 239120, 278404, 319480, 348005, 397720, 487207, 556808, 638960, 696010, 795440, 974414, 1113616, 1392020, 1948828, 2436035, 2784040, 3897656, 4872070, 5568080, 7795312, 9744140, 19488280, 38976560]

約数ペア:

[(1, 38976560), (2, 19488280), (4, 9744140), (5, 7795312), (7, 5568080), (8, 4872070), (10, 3897656), (14, 2784040), (16, 2436035), (20, 1948828), (28, 1392020), (35, 1113616), (40, 974414), (49, 795440), (56, 696010), (61, 638960), (70, 556808), (80, 487207), (98, 397720), (112, 348005), (122, 319480), (140, 278404), (163, 239120), (196, 198860), (244, 159740), (245, 159088), (280, 139202), (305, 127792), (326, 119560), (392, 99430), (427, 91280), (488, 79870), (490, 79544), (560, 69601), (610, 63896), (652, 59780), (784, 49715), (815, 47824), (854, 45640), (976, 39935), (980, 39772), (1141, 34160), (1220, 31948), (1304, 29890), (1630, 23912), (1708, 22820), (1960, 19886), (2135, 18256), (2282, 17080), (2440, 15974), (2608, 14945), (2989, 13040), (3260, 11956), (3416, 11410), (3920, 9943), (4270, 9128), (4564, 8540), (4880, 7987), (5705, 6832), (5978, 6520)]