25446928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 57496320

約数和(自身を除く): 32049392

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 47, 52, 76, 94, 104, 137, 152, 188, 208, 247, 274, 304, 376, 494, 548, 611, 752, 893, 988, 1096, 1222, 1781, 1786, 1976, 2192, 2444, 2603, 3562, 3572, 3952, 4888, 5206, 6439, 7124, 7144, 9776, 10412, 11609, 12878, 14248, 14288, 20824, 23218, 25756, 28496, 33839, 41648, 46436, 51512, 67678, 83707, 92872, 103024, 122341, 135356, 167414, 185744, 244682, 270712, 334828, 489364, 541424, 669656, 978728, 1339312, 1590433, 1957456, 3180866, 6361732, 12723464, 25446928]

約数ペア:

[(1, 25446928), (2, 12723464), (4, 6361732), (8, 3180866), (13, 1957456), (16, 1590433), (19, 1339312), (26, 978728), (38, 669656), (47, 541424), (52, 489364), (76, 334828), (94, 270712), (104, 244682), (137, 185744), (152, 167414), (188, 135356), (208, 122341), (247, 103024), (274, 92872), (304, 83707), (376, 67678), (494, 51512), (548, 46436), (611, 41648), (752, 33839), (893, 28496), (988, 25756), (1096, 23218), (1222, 20824), (1781, 14288), (1786, 14248), (1976, 12878), (2192, 11609), (2444, 10412), (2603, 9776), (3562, 7144), (3572, 7124), (3952, 6439), (4888, 5206)]