20002645280

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{853}}^1\times {\mathrm{1297}}^1$

素因数の和:2278

約数の個数: 96

約数和(自身を含む): 47767137264

約数和(自身を除く): 27764491984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 853, 904, 1130, 1297, 1706, 1808, 2260, 2594, 3412, 3616, 4265, 4520, 5188, 6485, 6824, 8530, 9040, 10376, 12970, 13648, 17060, 18080, 20752, 25940, 27296, 34120, 41504, 51880, 68240, 96389, 103760, 136480, 146561, 192778, 207520, 293122, 385556, 481945, 586244, 732805, 771112, 963890, 1106341, 1172488, 1465610, 1542224, 1927780, 2212682, 2344976, 2931220, 3084448, 3855560, 4425364, 4689952, 5531705, 5862440, 7711120, 8850728, 11063410, 11724880, 15422240, 17701456, 22126820, 23449760, 35402912, 44253640, 88507280, 125016533, 177014560, 250033066, 500066132, 625082665, 1000132264, 1250165330, 2000264528, 2500330660, 4000529056, 5000661320, 10001322640, 20002645280]

約数ペア:

[(1, 20002645280), (2, 10001322640), (4, 5000661320), (5, 4000529056), (8, 2500330660), (10, 2000264528), (16, 1250165330), (20, 1000132264), (32, 625082665), (40, 500066132), (80, 250033066), (113, 177014560), (160, 125016533), (226, 88507280), (452, 44253640), (565, 35402912), (853, 23449760), (904, 22126820), (1130, 17701456), (1297, 15422240), (1706, 11724880), (1808, 11063410), (2260, 8850728), (2594, 7711120), (3412, 5862440), (3616, 5531705), (4265, 4689952), (4520, 4425364), (5188, 3855560), (6485, 3084448), (6824, 2931220), (8530, 2344976), (9040, 2212682), (10376, 1927780), (12970, 1542224), (13648, 1465610), (17060, 1172488), (18080, 1106341), (20752, 963890), (25940, 771112), (27296, 732805), (34120, 586244), (41504, 481945), (51880, 385556), (68240, 293122), (96389, 207520), (103760, 192778), (136480, 146561)]