25287328

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:258

約数の個数: 72

約数和(自身を含む): 57607200

約数和(自身を除く): 32319872

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 199, 209, 304, 352, 361, 398, 418, 608, 722, 796, 836, 1444, 1592, 1672, 2189, 2888, 3184, 3344, 3781, 3971, 4378, 5776, 6368, 6688, 7562, 7942, 8756, 11552, 15124, 15884, 17512, 30248, 31768, 35024, 41591, 60496, 63536, 70048, 71839, 83182, 120992, 127072, 143678, 166364, 287356, 332728, 574712, 665456, 790229, 1149424, 1330912, 1580458, 2298848, 3160916, 6321832, 12643664, 25287328]

約数ペア:

[(1, 25287328), (2, 12643664), (4, 6321832), (8, 3160916), (11, 2298848), (16, 1580458), (19, 1330912), (22, 1149424), (32, 790229), (38, 665456), (44, 574712), (76, 332728), (88, 287356), (152, 166364), (176, 143678), (199, 127072), (209, 120992), (304, 83182), (352, 71839), (361, 70048), (398, 63536), (418, 60496), (608, 41591), (722, 35024), (796, 31768), (836, 30248), (1444, 17512), (1592, 15884), (1672, 15124), (2189, 11552), (2888, 8756), (3184, 7942), (3344, 7562), (3781, 6688), (3971, 6368), (4378, 5776)]