21695379520

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{28097}}^1$

素因数の和:28260

約数の個数: 112

約数和(自身を含む): 54811330560

約数和(自身を除く): 33115951040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 127, 152, 160, 190, 254, 304, 320, 380, 508, 608, 635, 760, 1016, 1216, 1270, 1520, 2032, 2413, 2540, 3040, 4064, 4826, 5080, 6080, 8128, 9652, 10160, 12065, 19304, 20320, 24130, 28097, 38608, 40640, 48260, 56194, 77216, 96520, 112388, 140485, 154432, 193040, 224776, 280970, 386080, 449552, 533843, 561940, 772160, 899104, 1067686, 1123880, 1798208, 2135372, 2247760, 2669215, 3568319, 4270744, 4495520, 5338430, 7136638, 8541488, 8991040, 10676860, 14273276, 17082976, 17841595, 21353720, 28546552, 34165952, 35683190, 42707440, 57093104, 67798061, 71366380, 85414880, 114186208, 135596122, 142732760, 170829760, 228372416, 271192244, 285465520, 338990305, 542384488, 570931040, 677980610, 1084768976, 1141862080, 1355961220, 2169537952, 2711922440, 4339075904, 5423844880, 10847689760, 21695379520]

約数ペア:

[(1, 21695379520), (2, 10847689760), (4, 5423844880), (5, 4339075904), (8, 2711922440), (10, 2169537952), (16, 1355961220), (19, 1141862080), (20, 1084768976), (32, 677980610), (38, 570931040), (40, 542384488), (64, 338990305), (76, 285465520), (80, 271192244), (95, 228372416), (127, 170829760), (152, 142732760), (160, 135596122), (190, 114186208), (254, 85414880), (304, 71366380), (320, 67798061), (380, 57093104), (508, 42707440), (608, 35683190), (635, 34165952), (760, 28546552), (1016, 21353720), (1216, 17841595), (1270, 17082976), (1520, 14273276), (2032, 10676860), (2413, 8991040), (2540, 8541488), (3040, 7136638), (4064, 5338430), (4826, 4495520), (5080, 4270744), (6080, 3568319), (8128, 2669215), (9652, 2247760), (10160, 2135372), (12065, 1798208), (19304, 1123880), (20320, 1067686), (24130, 899104), (28097, 772160), (38608, 561940), (40640, 533843), (48260, 449552), (56194, 386080), (77216, 280970), (96520, 224776), (112388, 193040), (140485, 154432)]